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AS 3550.1-1988
[Current]Methods for the analysis of waters, Part 1: Determination of dissolved sulphide — spectrophotometric method
Sets out a spectrophotometric method for the determination of dissolved sulphide in natural and waste waters in the concentration range 0.1 mg/L to 50 mg/L.
Published: 12/09/1988
Pages: 7
Table of contents
Cited references
Content history
Table of contents
Header
About this publication
PREFACE
1 SCOPE
2 APPLICATION
3 REFERENCED DOCUMENTS
4 PRINCIPLE
5 REAGENTS
5.1 General requirements
5.2 Solutions
5.2.1 Acetic acid solution (0.5 mol/L)
5.2.2 Sodium acetate solution (0.5 mol/L)
5.2.3 Buffer solution pH 4.8
5.2.4 Copper sulphate solution
5.2.5 Copper-DMP reagent
5.2.6 Nitric acid (1 + 1)
5.2.7 Deoxygenated water
5.3 Standard solutions
5.3.1 Sulphide solution (approximately 200 mg S2−/L)
5.3.2 Working standard sulphide solution (approximately 10 mg S2−/L)
6 APPARATUS
6.1 Glassware
6.2 Polyethylene bottles
6.3 Spectrophotometer
7 SAMPLES AND SAMPLING
7.1 General
7.2 Treatment of test sample
8 PROCEDURE
8.1 Calibration
8.2 Determination
9 CALCULATION
10 PRECISION AND LIMIT OF DETECTION
10.1 Limit of detection
11 REPORT
APPENDIX A
A1 SCOPE
A2 COLOUR PRODUCTION
A3 INTERFERENCES
APPENDIX B
B1 SCOPE
B2 REAGENTS
B2.1 Potassium iodide
B2.2 Solutions
B2.2.1 Hydrochloric acid solution
B2.2.2 Starch solution
B2.3 Standard solutions
B2.3.1 Iodate solution (approximately 4.2 × 10−3 mol/L IO3−)
B2.3.2 Thiosulphate solution (approximately 2.5 × 10−2 mol/L S2O3 2−)
B3 PROCEDURES
B3.1 Standardization of thiosulphate solution (B2.3.2)
B3.2 Standardization of sulphide solution
B4 CALCULATIONS
APPENDIX C
C1 SCOPE
C2 APPLICATION
C3 PRINCIPLE
C4 REAGENTS
C4.1 Chloroform
C4.2 Working standard sulphide solution (approximately 2 mg S2-/L)
C5 APPARATUS
C5.1 Separating funnels
C6 SAMPLES AND SAMPLING
C7 PROCEDURE
C7.1 Calibration
C7.2 Determination
C8 CALCULATION
C9 PRECISION AND LIMIT OF DETECTION
C9.1 Repeatability
C9.2 Limit of detection
Cited references in this standard
[Withdrawn]
Chemical analysis — Interlaboratory test programs — For determining precision of analytical method(s) — Guide to the planning and conduct
[Superseded]
Code of recommended practice for the chemical analysis of materials by u ltraviolet visible spectrophotometry
Content history
AS 3550.1-1988 REC:2017
DR 87247
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