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Methods of test for phosphoric acid (orthophosphoric acid) for industrial use -- Guide to sampling techniques
This International Standard is a guide to sampling techniques concerning the procedure to be followed and the precautions to be observed for the taking, the preparation and the storage of samples from a delivery of phosphoric acid for industrial use.
The purpose is to assess its quality.
**Procedures and precautions for taking, preparing and storing samples for assessing the quality of bulk deliveries.**
Applicable to ortho- and poly-phosphoric acids prepared by thermal and wet processes, and also to crystallized acids.
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