ISO 7760:2001

Photography — Processing waste — Determination of hydroquinone

Publication date: 20 dhj 2001

General information

Current stage: 90.93 Effective date: 5 qer 2021

Originator: ISO

Owner: ISO/TC 42

Type: International Standard

ICS: 37.040.30 13.030.30

Gjuha: anglisht

Buying

Statusi: Publikuar

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Scope

This International Standard specifies a spectrophotometric method for the determination of hydroquinone in
photographic processing waste.
This method can be applied to samples containing hydroquinone in the concentration range of 200 μg/l to
4 000 μg/l; aminophenols and phenylenediamines should also be determined by this method. However, sulfonated
hydroquinones or products from the further oxidation of benzoquinone will not be determined.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 7760:1986

NOW

PUBLISHED
ISO 7760:2001
90.93 Standard confirmed
5 qer 2021

National adoptions

SSH ISO 7760:2000

DPS

Fotografi. Përpunim mbeturinash. Përcaktimi i përmbajtjes së hidrokinoneve me metodën spektrometrike.

60.60 Standard published

DPS/KT 230 më tepër