ISO 7760:2001
$19.50
Photography — Processing waste — Determination of hydroquinone
| Published By | Publication Date | Number of Pages |
| ISO | 2001-12 | 16 |
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.
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