DURING the course of an investigation on the antiscorbutic value of Kaffir beer, it was observed that beers treated with a 2 per cent concentration of metaphosphoric acid gave high values for ...

IN certain circumstances hydrogen sulphide, cysteine and related sulphydryl compounds react with 2 : 6-dichlorophenol-indophenol (indophenol) and thus may interfere with the determination of ...