Customers may have the right kind of card or smartphone to make an NFC payment but they will not do it if they do not know how to. Gregory said that telling customers about the benefits of using contactless had become a major focus for Barclaycard.
it can get reduced to stercobilin, which gives faeces its characteristec colour. increased urobilinogen maybe found in hemolytic anaemia. obstructive jaundice causes low levels of urobilinogen which causes incresed amounts of soluble bilirubin in urine giving it a high color and clay coloured stools.
Urobilinogen present reacts with Ehrlich's reagent to form a red-colored compound. Color changes from light orange-pink to dark pink. The test is based on a diazotisation reaction of 4- Methoxybenzene diazoniurn salt and urinary urobilinogen in a strong acid medium. The color changes from pink to brown-red.Urobilinogen is a chromogen formed in the intestine from the breakdown of a reddish-yellow water insoluble pigment. Urobilinogen is a bile pigment that is produced by the degradation of conjugated bilirubin in the biliary tree and small intestine.robilinogen present reacts with Ehrlich's reagent to form a red-colored compound. Color changes from light orange-pink to dark pink. The test is based on a diazotisation reaction of 4- Methoxybenzene diazoniurn salt and urinary urobilinogen in a strong acid medium. The color changes from pink to brown-red.