Receptionist / Office Administrator-About this job offer Salary Â· R 10.000,00 net monthly Description Â· Receptionist / Office...: Must have at least 2 years' experience as receptionist / office administrator Must be computer literate in Word, Excel, Outlook Must be able to multi-task...ob Summary: As a receptionist you will be the first point of contact for the company and you will provide administrative support... Dental Receptionist. MKN Recruitment-Roodepoort, Johannesburg. Dental Receptionist-Attend to patients on the phone and in person.
Sulfide (systematically named sulfanediide, and sulfide(2â)) is an inorganic anion of sulfur with the chemical formula S 2â .It contributes no color to sulfide salts. As it is classified as a strong base, even dilute solutions of salts such as sodium sulfide (Na 2 S) are corrosive and can attack the skin.issolved free sulfides (H 2 S, HS â and S 2â) are very aggressive species for the corrosion of many metals such as steel, stainless steel, and copper. Sulfides present in aqueous solution are responsible for stress corrosion cracking (SCC) of steel, and is also known as sulfide stress cracking.
The sulfate or sulphate (see spelling differences) ion is a polyatomic anion with the empirical formula SO 4 2â . Sulfate is the spelling recommended by IUPAC, but sulphate is used in British English. Salts, acid derivatives, and peroxides of sulfate are widely used in industry.Sulfates occur widely in everyday life. Sulfates are salts of sulfuric acid and many are prepared from that acid.he sulfur atom is in the +6 oxidation state while the four oxygen atoms are each in the â2 state. The sulfate ion carries a negative two charge and is the conjugate base of the bisulfate (or hydrogen sulfate) ion, HSO 4 â , which is the conjugate base of H 2SO 4, sulfuric acid.