BS ISO 20702:2017
Current
The latest, up-to-date edition.
Fertilizers and soil conditioners. Determination of microamounts of inorganic anions in fertilizers by ion chromatography
Hardcopy , PDF
English
11-01-2018
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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.
| Committee |
CII/37
|
| DevelopmentNote |
Supersedes 17/30334452 DC. (01/2018)
|
| DocumentType |
Standard
|
| Pages |
60
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
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.
| 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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