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Standard´s number: | ISO 4524-3:1985 |
Pages: | 3 |
Edition: | 1 |
Released: | 1985 |
Language: | English |
DESCRIPTION
ISO 4524-3:1985
Specifies five electrographic tests for assessing the porosity of these gold and gold alloy coatings for engineering, and decorative and protective purposes. The methods are: cadmium sulfide paper test, nioxime paper test, dye-transfer paper test 1 and 2, and electrographic gelatine film test.