commiss direct juli lai commun method analysi test sugar intend human consumpt eec commiss european commun regard treati establish european econom commun regard council direct eec decemb approxim law member state sugar intend human consumpt articl thereof articl direct lai composit sugar verifi commun method analysi desir adopt initi seri method respect studi complet method determin colour type sugar white sugar extra white sugar method measur conduct ash extra white sugar sugar solut invert sugar solut invert sugar syrup method determin colour solut extra white sugar sugar solut laid annex direct eec hand pend formul commun method determin reduc sugar advis member state option continu author lane eynon method method annex ii iii iii luff schoorl method method annex ii iii iii method analysi provid direct accord opinion stand committe foodstuff adopt direct articl member state requir analys verif criteria set annex perform method annex ii direct prejudic subparagraph luff schoorl method annex ii method determin reduc sugar sugar sugar solut white sugar solut invert sugar solut white invert sugar solut invert sugar syrup glucos syrup dri glucos syrup dextros monohydr dextros anhydr member state requir territori lane eynon method annex ii method determin reduc sugar sugar list member state make option provid subparagraph paragraph forthwith inform commiss member state thereof articl member state bring forc law regul administr provis oj compli direct month notif forthwith inform commiss thereof articl direct address member state brussel juli commiss étienn davignon member commiss annex scope commun method analysi sugar intend human consumpt gt pic file quot quot gt annex ii method analysi verifi composit sugar intend human consumpt introduct prepar sampl analysi mix sampl receiv laboratori remov sampl transfer immedi clean dry moistur tight vessel fit airtight closur reagent apparatu descript apparatu refer made special instrument apparatu call special standard mention made water mean distil water deminer water equival puriti reagent analyt reagent qualiti refer made reagent solut qualif aqueou solut meant express result result refer offici analysi report satisfactori replic determin state result express percentag mass origin sampl receiv laboratori number signific figur result express govern precis method method determin loss mass dry scope field applic method determin loss mass dry semi white sugar sugar white sugar extra white sugar definit quot loss mass dry quot loss mass dry determin method principl loss mass dry determin dry temperatur ºc apparatu analyt balanc accur mg oven suitabl ventil thermostat control capabl maintain ºc metal weigh dish flat bottom resist attack sampl condit test diamet mm depth mm desicc freshli activ silica gel equival desicc water content indic procedur oper section perform immedi open sampl contain dry dish constant weight oven ºc dish cool desicc minut weigh nearest mg weigh accur nearest mg approxim sampl dish place dish oven ºc hour dish cool desicc weigh nearest mg replac dish oven ºc minut cool desicc weigh nearest mg repeat oper differ weigh mg increas mass occur lowest record read calcul exce hour total dry time express result formula method calcul loss mass dry percentag mass sampl formula gt pic file quot quot gt initi mass gram test portion mass gram test portion dry repeat differ result determin carri simultan rapid success sampl analyst condit exce sampl method determin dry matter vacuum oven method scope field applic method determin dry matter content glucos syrup dri glucos syrup dextros monohydr dextros anhydr definit quot dry matter content quot content dry matter determin method principl dry matter determin temperatur ºc vacuum oven pressur exceed kpa mbar test portion case glucos syrup dri glucos syrup prepar mix water kieselguhr dry reagent kieselguhr place buchner funnel purifi repeat wash dilut hydrochlor acid ml concentr acid densiti ºc ml litr water treatment complet wash remain acid wash water ph filter water greater dry oven ºc store airtight contain apparatu vacuum dry oven leak tight thermostat control equip thermomet vacuum manomet oven design heat rapidli transfer weigh dish shelv air dry train consist glass tower fill freshli activ dry silica gel equival desicc water content indic tower mount seri ga scrubber concentr sulphur acid connect air intak oven vaccum pump capabl maintain presur oven kpa mbar metal weigh dish flat bottom resist attack sampl condit test diamet mm depth mm glass rod length complet fall contain desicc freshli activ dry silica gel equival desicc water content indic analyt balanc accur mg procedur pour approxim kieselguhr weigh dish equip glass rod place oven ºc reduc pressur kpa mbar dry hour draw slow stream air oven dry train check pressur time time correct restor atmospher pressur oven cautious increas intak dry air immedi place dish glass rod desicc cool weigh accur weigh nearest mg approxim sampl analyz ml beaker dilut test portion ml warm water transfer solut quantit weigh dish glass rod place dish test portion glass rod oven reduc pressur kpa mbar dry ºc allow slow stream dry air pass oven dry oper proce hour bulk loss occur end dai vacuum pump work preset pressur slow stream dry air enter oven maintain pressur approxim kpa mbar night restor atmospher pressur oven cautious increas intak dry air immedi place weigh dish content desicc cool weigh nearest mg continu oper hour restor atmospher pressur oven immedi place dish desicc cool weigh ascertain constant mass reach consid constant mass satisfactorili attain differ weigh dish exce mg differ greater repeat oper determin dry matter dextros anhydr dextros monohydr sampl kieselguhr water requir express result formula method calcul dry matter content express percentag mass sampl gt pic file quot quot gt initi mass gram test portion mass gram weigh dish kieselguhr glass rod residu test portion dry mass gram weigh dish kieselguhr glass rod repeat differ result determin carri simultan rapid success sampl analyst condit exce sampl method determin total dry matter refractometr method scope field applic method determin dry matter content sugar solut white sugar solut invert sugar solut white invert sugar solut invert sugar syrup white invert sugar syrup definit quot dry matter content quot content dry matter determin method principl refract index test portion determin ºc convert dry matter content refer tabl show concentr function refract index apparatu refractomet accur decim place provid thermomet water circul pump connect water bath thermostat control ºc light sourc consist sodium vapour lamp procedur crystal present sampl redissolv dilut sampl ratio measur refract index sampl ºc refractomet express calcul result calcul dry matter content refract indic sucros solut ºc tabl correct presenc invert sugar ad result obtain tabl invert sugar present sampl analyz sampl dilut water calcul dry matter content multipli repeat differ result determin carri simultan rapid success sampl analyst condit exce dry matter sampl refer tabl gt pic file quot quot gt gt pic file quot quot gt gt pic file quot quot gt gt pic file quot quot gt gt pic file quot quot gt gt pic file quot quot gt gt pic file quot quot gt method measur reduc sugar express invert sugar berlin institut method scope field applic method determin reduc sugar content express invert sugar semi white sugar definit quot reduc sugar express invert sugar quot content reduc sugar determin method principl sampl solut reduc sugar reduc solut copper ii complex copper oxid form oxid standard iodin solut excess determin back titrat standard sodium thiosulph solut reagent copper ii solut muller solut dissolv copper ii sulphat pentahydr cuso ml boil water cool dissolv sodium potassium tartrat tetrahydr rochel salt seignett salt knac anhydr sodium carbon ml boil water cool transfer solut litr volumetr flask make litr water add activ carbon shake stand hour filter thick filter paper membran filter small amount copper oxid storag solut filter acet acid solut mol litr iodin solut mol litr litr sodium thiosulph solut mol litr starch solut litr boil water add mixtur solubl starch slurri ml water boil minut cool add requir mg mercuri ii iodid preserv apparatu conic flask ml precis burett pipett water bath boil procedur weigh portion sampl mg invert sugar ml conic flask dissolv ml water pipett ml copper ii solut flask sampl solut mix content flask swirl place boil water bath minut level solut conic flask mm level water water bath cool flask rapidli stream cold run water oper solut stir atmospher oxygen reoxid precipit copper oxid add ml mol litr acet acid pipett shake immedi add excess ml iodin solut mol litr burett stir dissolv copper precipit titrat excess iodin sodium thiosulph solut mol litr starch solut indic indic ad end titrat carri blank test water carri copper ii solut titrat exce ml carri control test cold condit sugar solut stand room temperatur minut permit reduc agent sulphur dioxid present react express result formula method calcul volum iodin consum ml mol litr iodin ad excess minu ml mol litr sodium thiosulph titrat volum ml ml litr iodin consum correct subtract number ml consum blank test carri water number ml consum cold test sugar solut ml sucros present aliquot proportion quantiti sampl sucros correct sucros correct made ml iodin solut react correspond mg invert sugar invert sugar content percentag sampl formula gt pic file quot quot gt number ml iodin solut correct mass gram sampl repeat differ result determin carri simultan rapid success sampl analyst condit exce sampl method measur reduc sugar express invert sugar knight allen method scope field applic method determin reduc sugar content express invert sugar sugar white sugar extra white sugar definit quot reduc sugar express invert sugar quot content reduc sugar determin method principl copper ii reagent ad excess sampl solut reduc unreduc portion back titrat edta solut reagent ethylen diamin tetra acet acid solut disodium salt edta mol litr dissolv edta water make litr water murexid indic solut add murexid ml water mix ml ml aqueou solut methylen blue alkalin copper reagent dissolv anhydr sodium carbon potassium sodium tartrat tetrahydr ml water ml mol litr sodium hydroxid dissolv copper ii sulphat pentahydr cuso ml water add tartrat solut dilut litr water solut limit life week gt pic file quot quot gt pure sucros sampl pure sucros invert sugar content greater apparatu test tube mm white porcelain dish analyt balanc accur mg procedur dissolv sugar sampl ml cold water test tube add ml copper reagent mix immers tube boil water bath minut cool cold water transfer quantit solut test tube white porcelain dish water add drop indic titrat edta solut number ml edta titrat end point colour solut green grei purpl end point purpl colour disappear slowli oxid copper oxid copper ii oxid rate depend concentr reduc copper present end point titrat approach fairli rapidli construct calibr graph ad amount invert sugar solut appropri dilut pure sucros add suffici cold water total ml solut ad plot titrat volum ml percentag invert sugar ad sucros result graph straight line rang invert sugar sampl express result method calcul read calibr curv percentag invert sugar ml edta determin analyz sampl concentr greater invert sugar sampl expect sampl analyz sampl size procedur appropri reduc analysi sampl made pure sucros repeat differ result determin carri simultan rapid success sampl analyst condit exce sampl note divid convert ºs polarmetr degre arc precis tube mm light sourc consist sodium vapour lamp instrument instal room temperatur maintain close ºc method determin reduc sugar express invert sugar dextros equival luff schoorl method scope field applic method determin reduc sugar content express invert sugar sugar solut white sugar solut invert sugar solut white invert sugar solut invert sugar syrup white invert sugar syrup reduc sugar content express calcul dry matter dextros equival glucos syrup dri glucos syrup reduc sugar content express glucos dextros monohydr dextros anhydr definit quot reduc sugar express invert sugar glucos dextros equival quot content reduc sugar express calcul invert sugar glucos dextros equival determin method principl reduc sugar sampl clarifi heat boil point standard condit copper ii solut partial reduc copper excess copper ii subsequ determin iodometr reagent carrez solut dissolv zinc acet dihydr zn ch coo zinc acet trihydr zn ch coo ml glacial acet acid water make ml water carrez solut ii dissolv potassium hexacyanoferr ii trihydr fe cn water make ml water luff schoorl reagent prepar solut copper ii sulphat solut dissolv iron free copper ii sulphat pentahydr cuso ml water citric acid solut dissolv citric acid monohydr ml water sodium carbon solut dissolv anhydr sodium carbon ml warm water cool add citric acid solut sodium carbon solut litr volumetr flask gentl swirl swirl effervesc ceas add copper ii sulphat solut make ml water solut stand overnight filter check molar reagent obtain method cu mol litr na mol litr sodium thiosulph solut mol litr starch solut litr boil water add mixtur solubl starch slurri ml water boil minut cool add requir mg mercuri ii iodid preserv sulphur acid mol litr potassium iodid solut pumic chip boil hydrochlor acid wash free acid water dri isopentanol sodium hydroxid mol litr hydrochlor acid mol litr phenolphthalein solut ethanol apparatu conic flask ml fit reflux condens stop watch procedur standard luff schoorl reagent ml luff schoorl reagent add potassium iodid ml mol litr sulphur acid titrat mol litr sodium thiosulph starch solut indic ad end titrat volum mol litr sodium thiosulph ml reagent made afresh pipett ml reagent ml volumetr flask dilut volum water pipett ml dilut reagent ml mol litr hydrochlor acid conic flask heat hour boil water bath cool make origin volum freshli boil water titrat mol litr sodium hydroxid phenolphthalein indic volum mol litr sodium hydroxid ml titrat ml dilut reagent mol litr hydrochlor acid phenolphthalein indic end point character disappear violet colour volum mol litr hydrochlor acid ml ph luff schoorl reagent ºc prepar solut accur weigh nearest mg sampl transfer quantit ml volumetr flask ml water clarifi ad ml carrez solut ml carrez solut ii mix addit make ml water mix filter dilut solut ml solut mg mg reduc sugar express glucos titrat luff schoorl method pipett ml luff schoorl reagent ml conic flask pipett ml sugar solut conic flask introduc pumic chip fit reflux condens conic flask immedi place apparatu asbesto wire gauz bunsen flame gauz hole cut asbesto part diamet base flask heat liquid boil point period minut simmer gentli minut cool immedi cold water minut titrat add ml potassium iodid solut immedi add caution effervesc ml mol litr sulphur acid titrat mol litr sodium thiosulph solut solut colourless add ml starch solut indic continu titrat blue colour disappear carri control test ml water place ml sugar solut express result formula method calcul tabl find interpol weight glucos invert sugar mg differ titrat read express ml mol litr sodium thiosulph express result term invert sugar glucos percentag dry matter repeat differ result titrat carri simultan rapid success sampl analyst condit exce ml note small volum isopentanol ad acidifi sulphur acid reduc foam tabl valu luff schoorl reagent gt pic file quot quot gt method measur reduc sugar express invert sugar lane eynon constant volum modif scope field applic method determin reduc sugar express invert sugar sugar solut white sugar solut invert sugar solut white invert sugar solut invert sugar syrup white invert sugar syrup definit quot reduc sugar express invert sugar quot content reduc sugar determin method principl sampl solut titrat boil point volum fehl solut methylen blue intern indic reagent fehl solut solut dissolv copper ii sulphat pentahydr cuso water make ml solut dissolv doubl sodium potassium tartrat tetrahydr knac sodium hydroxid water make ml clear solut decant sediment form time time note solut store brown amber bottl sodium hydroxid solut mol litr gt pic file quot quot gt methylen blue solut ml apparatu narrow neck laboratori boil flask ml burett ml tap offset tip graduat ml pipett graduat ml mark volumetr flask ml heat devic suitabl maintain boil condit permit observ end point colour chang necess remov boil flask sourc heat stop watch indic procedur standard fehl solut pipett ml solut ml solut clean dry beaker mix rins fill burett ml standard invert sugar solut pipett ml aliquot mix solut ml boil flask add ml water flask run burett ml invert sugar solut add small quantiti anti bump granul mix content flask gentl swirl heat flask content till boil boil minut flask remov heat sourc rest procedur allow ceas boil add drop methylen blue solut end minut boil period solut definit blue colour continu standard ad burett standard invert sugar solut small increment initi ml ml final singl drop end point reach disappear blue colour impart methylen blue solut assum reddish colour suspens copper oxid end point reach end minut solut start boil final titr ml li limit adjust copper concentr fehl solut repeat standard process prepar sampl solut concentr sampl test solut mg invert sugar ml preliminari test preliminari test carri ensur quantiti water ad ml mix solut suffici ensur final volum titrat ml obtain procedur carri sampl solut standard invert sugar solut ml sampl solut run flask burett ml water ad solut allow boil minut titrat end point reach addit methylen blue solut reddish colour persist sampl solut concentr case test discard repeat concentr sampl solut ml sampl solut requir obtain reddish colour concentr solut sampl calcul quantiti water ad subtract volum mix fehl solut ml sampl solut ml final analysi sampl solut pipett boil flask ml mix fehl solut quantiti water determin add burett observ titr sampl solut determin ml add anti bump granul mix content flask swirl boil flask content titrat previous end point reach minut time addit methylen blue solut final titr express result formula method calcul reduc sugar content sampl calcul invert sugar reduc sugar invert sugar gt pic file quot quot gt concentr sampl test solut ml volum ml standard invert solut standard titrat volum ml sampl test solut accur analysi correct factor account sucros concentr sampl test solut valu shown tabl gt pic file quot quot gt correct vari sucros content sampl test solut calcul tabl interpol note approxim sucros concentr found subtract dissolv solid concentr due invert sugar estim purpos calcul total dissolv solid concentr express sucros obtain refract index solut method document repeat differ result determin carri simultan rapid success sampl analyst condit exce arithmet note divid convert ºs polarmetr degre arc precis tube mm light sourc consist sodium vapour lamp instrument instal room temperatur maintain close ºc method determin dextros equival lane eynon constant scope field applic method determin dextros equival glucos syrup dri glucos syrup dextros monohydr dextros anhydr definit quot reduc power quot reduc sugar content determin method express term anhydr dextros glucos calcul percentag mass sampl quot dextros equival quot reduc power calcul percentag mass dry matter sampl principl test solut titrat boil point volum mix fehl solut strictli condit methylen blue intern indic reagent fehl solut solut dissolv copper ii sulphat pentahydr cuso water make volum ml volumetr solut dissolv sodium potassium tartrat tetrahydr knac sodium hydroxid water make volum ml volumetr flask decant clear solut sediment time time form note solut store brown amber bottl prepar mix fehl solut pipett ml solut ml solut clean dry beaker mix note mix fehl solut store made afresh dai standard anhydr dextros glucos materi dri hour vacuum oven ºc intern pressur approxim kpa mbar standard dextros solut ml weigh nearest mg anhydr dextros dissolv water transfer solut quantit ml volumetr flask dilut mark mix solut freshli prepar dai methylen blue solut ml dissolv methylen blue ml water apparatu narrow neck laboratori boil flask ml burett ml tap offset tip graduat ml mark pipett ml ml mark volumetr flask ml heat devic suitabl maintain boil condit permit observ end point colour chang necess remov boil flask sourc heat note stop watch indic nearest procedur standard fehl solut pipett ml fehl solut clean dry boil flask fill burett standard dextros solut adjust meniscu mark run boil flask burett ml standard dextros solut swirl flask mix content place boil flask heat devic previous adjust boil commenc second heat devic adjust titrat note boil commenc start stop watch boil content flask second time stop watch add ml methylen blue solut end period boil continu second stop watch start ad standard dextros solut boil flask burett ml increment colour methylen blue discharg note note total volum standard dextros solut ad includ penultim ml increment ml repeat run boil flask burett volum standard dextros solut equal ml repeat boil continu second stop watch start ad standard dextros solut boil flask burett initi ml increment final dropwis colour methylen blue discharg end action time success addit standard dextros solut second addit complet second make total time boil longer second titrat slightli larger appropri adjust initi addit standard dextros solut achiev note volum ml standard dextros solut end point final titrat note ml standard dextros solut li limit adjust concentr fehl solut appropri repeat standard process dai dai standard mix fehl solut accuraci singl titrat initi addit ml standard dextros solut note ensur boil commenc evolut steam brisk continu titrat process prevent maximum extent entranc air titrat flask consquent oxid content note disappear colour methylen blue upper layer meniscu content titrat flask free precipi red copper oxid colour disappear easili indirect light white screen titrat flask help note burett isol sourc heat determin note person factor involv oper carri standard titrat calcul preliminari examin prepar sampl reduc power prepar sampl approxim carri preliminari examin order obtain approxim figur mass test portion calcul examin carri prepar solut sampl quot quot estim sampl solut place standard dextros solut ml sampl solut ml standard dextros solut heat content flask boil add ml methylen blue solut immedi boil start start stop watch commenc ad sampl solut flask burett ml increment interv approxim second blue colour methylen blue discharg note total volum sampl solut ad includ penultim increment ml quot quot exce ml increas concentr sampl solut repeat titrat approxim reduc power prepar sampl percent mass gt pic file quot quot gt test portion weigh nearest mg mass prepar sampl mg reduc sugar express anhydr dextros glucos calcul approxim figur reduc power approxim figur obtain test solut dissolv test portion water make ml volumetr flask determin fill burett test solut adjust meniscu mark run boil flask burett ml test solut swirl flask mix content test solut place standard dextros solut test solut place standard dextros solut test solut place standard dextros solut note volum test solut end point final titrat ml test solut li limit adjust concentr test solut appropri repeat carri determin test solut dry matter content determin dry matter content prepar sampl method express result formula method calcul reduc power reduc power calcul percentag mass prepar sampl gt pic file quot quot gt volum ml standard dextros solut standard titrat volum ml test solut determin titrat mass gram test portion make ml test solut dextros equival dextros equival calcul percentag mass dry matter prepar sampl gt pic file quot quot gt rp reduc power calcul percent mass prepar sampl dry matter content prepar sampl percent mass result arithmet determin provid requir repeat satisfi repeat differ result determin carri simultan rapid success sampl analyst condit exce arithmet method determin sulphat ash scope field applic method determin sulphat ash content glucos syrup dri glucos syrup dextros monohydr dextros anhydr definit quot sulphat ash content quot content sulphat ash determin method principl residu mass test portion determin inciner oxid atmospher ºc presenc sulphur acid calcul percentag mass sampl reagent sulphur acid dilut solut slowli cautious add ml concentr sulphur acid densiti ºc ml ml water stir cool apparatu electr muffl furnac equip pyromet capabl oper temperatur ºc analyt balanc accur mg ash crucibl platinum quartz suitabl capac desicc freshli activ silica gel equival desicc water content indic procedur heat crucibl ash temperatur cool desicc weigh accur weigh nearest mg glucos syrup dri glucos syrup dextros monohydr dextros anhydr crucibl add ml sulphur acid solut note carefulli heat sampl crucibl flame hotplat complet carbon carbon process vapour burnt sampl note carri fume cupboard place crucibl muffl furnac heat white ash obtain take hour note sampl cool minut desicc weigh express formula method calcul sulphat ash content express percentag mass sampl analyz gt pic file quot quot gt mass gram ash mass gram test portion repeat differ result determin carri simultan rapid success sampl analyst condit exce arithmet note sulphur acid ad small quantiti prevent excess foam relev precaut carbon prevent loss sampl ash excess swell sampl sampl difficult ash complet black particl remain crucibl remov muffl furnac residu moisten cool drop water return furnac method determin polar scope field applic method determin polar semi white sugar sugar white sugar extra white sugar definit polar rotat polar light plane sugar solut sugar ml contain tube mm length principl polar determin saccharimet polarimet condit method reagent clarif agent basic lead acet solut add dry basic lead acet ml freshli boil water boil mixtur minut leav stand overnight decant supernat liquid dilut freshli boil water obtain solut densiti ml ºc protect solut contact air diethyl ether apparatu saccharimet graduat normal weight sucros polarimet instrument instal room temperatur maintain close ºc calibr instrument standard quartz plate light sourc consist sodium vapour lamp precis polarimet tube length mm error exceed mm analyt balanc accur mg individu calibr ml volumetr flask stopper flask real capac rang ml correct flask capac limit correct adjust capac ml water bath control thermostat ºc procedur prepar solut weigh quickli sampl transfer quantit ml volumetr flask approxim ml water dissolv swirl heat clarif add ml lead acet reagent mix solut rotat flask wash flask wall volum meniscu mm calibr mark place flask water bath control ºc temperatur sugar solut constant elimin bubbl form surfac liquid drop diethyl ether make volum water stopper mix invert flask time stand minut polar maintain temperatur ºc subsequ oper obtain correct apparatu filter sampl filter paper discard ml filtrat collect ml filtrat wash polarimet tube rins sampl solut examin fill tube carefulli ºc sampl solut examin remov air bubbl slide end plate posit place fill tube cradl instrument read rotat ºs angular degre repeat time read express result formula method calcul result express degre nearest ºs convert angular degre degre formula ºs degre arc repeat differ result determin carri simultan rapid success sampl analyst condit repres read exce ºs