Norm

ISO 10349-3:1992 en

Photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter insoluble in ammonium hydroxide solution

31,57

Over deze norm

Status Definitief
Aantal pagina's 2
Gepubliceerd op 30-12-1992
Taal Engels
The method is based on weighing a test portion, dissolution in water, addition of ammonium oxalate solution, diammonium hydrogen phosphate solution and ammonium hydroxide solution, allowing to stand for at least 8 h, filtering out the precipitate through filter paper, transfer of the filter paper with precipitate to a prepared crucible, burning it over a gas burner, incineration of the residue in a furnace, cooling in a desiccator, and reweighing.

Details

ICS-code 37.040.30
Nederlandse titel Photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter insoluble in ammonium hydroxide solution
Engelse titel Photography - Photographic-grade chemicals - Test methods - Part 3: Determination of matter insoluble in ammonium hydroxide solution

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