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BS ISO 21033:2016

BS ISO 21033:2016

$102.76

Animal and vegetable fats and oils. Determination of trace elements by inductively coupled plasma optical emission spectroscopy (ICP-OES)

Published By Publication Date Number of Pages
BSI 2016 22
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This International Standard specifies an inductively coupled plasma optical emission spectroscopic method (ICP-OES) for the determination of the trace element content in oils. Depending on the dilution solvent used, most types of vegetable oils can be analysed (crude, degummed, refined, bleached, deodorized and hardened oils) and nearly all types of lecithins and phosphatides. Milk and milk products (or fat coming from milk and milk products) are excluded from the scope of this International Standard.

This method is only suitable when the elements are present in a solubilized form. Fine particles, such as bleaching earth, metal particles and rust, can result in poor recovery of the trace elements present as nebulization and atomization problems affect the ICP-OES analysis.

NOTE The only suitable non-ashing direct method for samples containing fine particles is graphite furnace atomic absorption spectrometry.

PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 Terms and definitions
4 Principle
8 5 Reagents
6 Apparatus
7 Sampling
9 8 Preparation of test sample
9 Procedure
9.1 General
10 9.2 Preparation of standards
9.2.1 Blank
9.2.2 Standards
9.3 Standardization
11 9.4 Preparation of samples
10 Calculation
11 Precision
11.1 Interlaboratory test
11.2 Repeatability
11.3 Reproducibility
12 Test report
13 Annex A (informative) Results of interlaboratory studies
17 Annex B (informative) Additional data
19 Bibliography

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BS ISO 21033:2016
$102.76