Water quality. Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) Method using continuous flow analysis (CFA)

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

07-31-2012

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Interferences
5 Principle
6 Reagents
7 Apparatus
8 Sampling and sample preparation
9 Procedure
10 Calculation
11 Expression of results
12 Test report
Annex A (informative) - Examples of flow systems
Annex B (normative) - Determination of the real
        cyanide concentration in the potassium
        cyanide solution
Annex C (informative) - Example for the determination
        of total cyanide and free cyanide by
        continuous flow analysis (CFA) with
        gas diffusion and amperometric detection
Annex D (informative) - Performance data
Bibliography

Defines methods for the determination of cyanide in various types of water (such as ground, drinking, surface, leachate, and waste water) with cyanide concentrations usually from 2 [mu]g/l to 500 [mu]g/l expressed as cyanide ions in the undiluted sample.

This part of ISO14403 specifies methods for the determination of cyanide in various types of water (such as ground, drinking, surface, leachate, and waste water) with cyanide concentrations usually from 2µg/l to 500µg/l expressed as cyanide ions in the undiluted sample. The range of application can be changed by varying the operation conditions, e.g. by diluting the original sample or changing the pathlength of the flow cell.

In this method, a suitable mass concentration range from10µg/l to 100µg/l is described.

Seawater can be analysed with possible changes in sensitivity and adaptation of the reagent and calibration solutions to the salinity of the samples.

Committee	EH/3/2
DevelopmentNote	Supersedes BS EN ISO 14403, BS 6068-2.75(2002) & 09/30195937 DC. (07/2012)
DocumentType	Standard
Pages	32
PublisherName	British Standards Institution
Status	Current
Supersedes	09/30195937 DC : 0 BS EN ISO 14403:2002 BS 6068-2.75(2002) : 2002

Standards	Relationship
EN ISO 14403-2:2012	Identical
ISO 14403-2:2012	Identical

ISO 5667-3:2012	Water quality Sampling Part 3: Preservation and handling of water samples
ISO 8466-2:2001	Water quality — Calibration and evaluation of analytical methods and estimation of performance characteristics — Part 2: Calibration strategy for non-linear second-order calibration functions
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
ISO 8466-1:1990	Water quality Calibration and evaluation of analytical methods and estimation of performance characteristics Part 1: Statistical evaluation of the linear calibration function

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BS EN ISO 14403-2:2012

Current

Table of Contents

Abstract

Scope

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