Photography -- Photographic-grade chemicals -- Test methods -- Part 6: Determination of halide content
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This standard was last reviewed* in 2013.
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.
Document published on: 1992-12-30 Edition: 1 (Monolingual) ICS: 37.040.30 Status: Published Stage: 90.93 (2013-06-27) TC/SC: ISO/TC 42 Number of Pages: 2
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