10/30199670 DC : 0

Superseded

View Superseded by

BS ISO 11262 - SOIL QUALITY - DETERMINATION OF TOTAL CYANIDE

Available format(s)

Hardcopy , PDF

Superseded date

30-11-2011

Language(s)

English

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus
7 Sample preservation and preparation
8 Direct liberation using orthophosphoric acid
9 Determination of cyanide - Photometric method
10 Determination of cyanide - Titrimetric method using
   an indicator
11 Expression of results
12 Precision
13 Test report
Annex A (informative) - Precision data
Annex B (informative) - Extraction with sodium hydroxide
        solution and subsequent liberation using
        orthophosphoric acid
Annex C (informative) - Comparison of the direct
        liberation of total cyanide and sodium hydroxide
        extraction with subsequent liberation
Bibliography

BS ISO 11262

Committee	EH/4
DocumentType	Draft
Pages	25
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS ISO 11262:2011

ISO 4793:1980	Laboratory sintered (fritted) filters — Porosity grading, classification and designation
ISO 17380:2013	Soil quality — Determination of total cyanide and easily liberatable cyanide — Continuous-flow analysis method
ISO 11464:2006	Soil quality Pretreatment of samples for physico-chemical analysis
ISO 9297:1989	Water quality Determination of chloride Silver nitrate titration with chromate indicator (Mohr's method)
ISO 14507:2003	Soil quality Pretreatment of samples for determination of organic contaminants
ISO 5725-2:1994	Accuracy (trueness and precision) of measurement methods and results Part 2: Basic method for the determination of repeatability and reproducibility of a standard measurement method
ISO 3696:1987	Water for analytical laboratory use — Specification and test methods
NEN 6655 : 1997	WATER AND SOIL - PHOTOMETRIC DETERMINATION OF THE CONTENT OF TOTAL AND FREE CYANIDE BY CONTINUOUS FLOW ANALYSIS