Matter volatile at 135°C, matter insoluble in water, di-isopropyl ether extract, subsidiary dyes, chloride, sulphate, dye content, copper, arsenic and lead. Limit test for heavy metals (as sulphides). Details of procedure varied according to dye being analysed; for such variations reference to British Standard for the individual dyes is necessary.
BS 3210:1960
Original price was: $264.16.$132.00Current price is: $132.00.
Methods for the analysis of water-soluble coal-tar dyes permitted for use in foods
BSI Group , 01/05/1965
