Specifies 8 sizes of beaker bearing a scale of approximate graduations, intended for use with aqueous solutions between 0°C and 60°C but not for corrosive or non-aqueous liquids. Beakers are marked with the safe maximum temperature of use. Limits specified for flexibility and ionic extractables.Cross References:BS 1704BS 2690:Part 9BS 3042BS 3502BS 3978