Norm

ISO 423:1994 en

Photography - Processing chemicals - Specifications for hydroquinone

31,57

Over deze norm

Status Definitief
Aantal pagina's 6
Gepubliceerd op 21-04-1994
Taal Engels
Establishes criteria for the purity and describes the test methods for identity tests, residue after ignition, heavy metals content, iron content, appearance of solution. Annex A describes preparation of the standard ammonium cerium(IV) hexanitrate solution.

Details

ICS-code 37.040.30
Nederlandse titel Photography - Processing chemicals - Specifications for hydroquinone
Engelse titel Photography - Processing chemicals - Specifications for hydroquinone

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