ISO 7766:2003
(Main)Processing photographic wastes — Analysis of cyanides — Determination of hexacyanoferrate (II) and hexacyanoferrate (III) by spectrometry
Processing photographic wastes — Analysis of cyanides — Determination of hexacyanoferrate (II) and hexacyanoferrate (III) by spectrometry
ISO 7766:2003 establishes a test method for the determination of hexacyanoferrate(II) (ferrocyanide) and hexacyanoferrate(III) (ferricyanide), referred to hereafter as Fe(CN)6, in photographic processing effluents. Results are reported as hexacyanoferrate, Fe(CN)6.
Effluents de traitement photographique — Analyse des cyanures — Détermination de l'hexacyanoferrate (II) et de l'hexacyanoferrate (III) par spectrométrie
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 7766
First edition
2003-06-15
Processing photographic wastes —
Analysis of cyanides — Determination of
hexacyanoferrate(ll) and
hexacyanoferrate(lll) by spectrometry
Effluents de traitement photographiques — Analyse des cyanures —
Détermination de l'hexacyanoferrate(ll) et de l'hexacyanoferrate(lll) par
spectrométrie
Reference number
ISO 7766:2003(E)
©
ISO 2003
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ISO 7766:2003(E)
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ISO 7766:2003(E)
Contents Page
Foreword. iv
Introduction . v
1 Scope. 1
2 Normative references . 1
3 Safety and operational precautions . 1
4 Principle . 2
5 Reactions . 3
6 Reagents and materials. 3
7 Apparatus. 4
8 Sampling and sample preparation . 4
9 Procedure. 5
10 Expression of results. 6
11 Test report. 6
Bibliography . 7
© ISO 2003 — All rights reserved iii
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ISO 7766:2003(E)
Foreword
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(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
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International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
Int
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