International Standard
ISO 7760:2001
Photography — Processing waste — Determination of hydroquinone
Reference number
ISO 7760:2001
Edition 2
2001-12
International Standard
Read sample
ISO 7760:2001
32495
Published (Edition 2, 2001)
This standard was last reviewed and confirmed in 2021. Therefore this version remains current.

ISO 7760:2001

ISO 7760:2001
32495
Language
Format
CHF 63
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Abstract

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.

General information

  •  : Published
     : 2001-12
    : International Standard confirmed [90.93]
  •  : 2
     : 8
  • ISO/TC 42
  • RSS updates

Life cycle

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