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BS ISO 20702:2017

BS ISO 20702:2017

Current

Current

The latest, up-to-date edition.

Fertilizers and soil conditioners. Determination of microamounts of inorganic anions in fertilizers by ion chromatography

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

11-01-2018

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Principle
5 Reagents
6 Apparatus and materials
7 Test procedure
8 Calculation and expression of results
9 Test report
Annex A (informative) - Ring test report - Report of
        international laboratories ring test
Annex B (informative) - Typical ion chromatogram for
        gradient chromatography conditions
Annex C (informative) - Typical ion chromatogram for
        isocratic chromatography conditions
Annex D (informative) - Additional statistical index of
        the test results
Bibliography

Defines the ion chromatography method for determination of microamounts of water soluble inorganic anions, such as fluoride (F[-]), chloride (Cl[-]), bromide (Br[-]), iodide (I[-]), nitrite (NO[2-]) and thiocyanate (SCN[-]), in fertilizers.

This document specifies the ion chromatography method for the determination of microamounts of water soluble inorganic anions, such as fluoride (F−), chloride (Cl−), bromide (Br−), iodide (I−), nitrite (NO2−) and thiocyanate (SCN−), in fertilizers.

Committee
CII/37
DevelopmentNote
Supersedes 17/30334452 DC. (01/2018)
DocumentType
Standard
Pages
60
PublisherName
British Standards Institution
Status
Current

Standards Relationship
ISO 20702:2017 Identical

ISO 8157:2015 Fertilizers and soil conditioners — Vocabulary
SAC GB/T 29400 : 2012 DETERMINATION OF MICROAMOUNT OF INORGANIC ANIONS IN FERTILIZERS BY ION CHROMATOGRAPHY
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

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