ISO 423:1994-ed.2.0

Photography — Processing chemicals — Specifications for hydroquinone

NORMA vydaná dňa 21.4.1994

Anglicky -
Elektronické PDF (55.80 EUR)

Anglicky -

Tlačené (55.80 EUR)

Francúzsky -

Elektronické PDF (55.80 EUR)

Francúzsky -

Tlačené (55.80 EUR)

The information about the standard:

Designation standards: ISO 423:1994-ed.2.0
Publication date standards: 21.4.1994
The number of pages: 6
Approximate weight : 18 g (0.04 lbs)
Country: International technical standard
Kategória: Technické normy ISO

Annotation of standard text ISO 423:1994-ed.2.0 :

Description / Abstract: 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.