标准摘要
[中文适用范围]： GB/T 20432的本部分规定了照相级化学品中卤化物含量（以C1-计）测定的通用试验方法。 注：个别标准可通过修改计算，以一种卤盐计。 [外文原描述]： The method is based on weighing the test portion, dissolution in water, transfer of a 20 ml aliquot in a beaker, pipetting halide standard A or B into a second beaker, adding nitric acid solution plus silver nitrate solution to each beaker, dilution with water, transfer of the treated solutions into separate Nessler colour-comparison cylinders, and observing the turbidity of the two solutions.
英文名称Photography — Photographic-grade chemicals — Test methods — Part 6: Determination of halide content