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This British Standard supersedes BS 5410-1:1977 which is withdrawn
the correct installation and operation of the meter
BS EN 15923 provides users guidance on the extraction of phosphorus soluble in Joulie’s alkaline ammonium citrate method
the form of a filament
The guidelines in BS EN 61587-5 help you to conduct seismic tests for chassis
Standard Guide for Performance of Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay Ingestion-build-93833 This British Standard supersedes BS1. Scope 1. 1 This guide highlights some of the more relevant biological concepts as they are currently understood, and summarizes the critical technical aspects for acceptable bioassay performances as they currently are perceived and practiced. The Chinese hamster ovary cell hypoxanthine guanine phosphoribosyl transferase (CHO HGPRT) assay (1)2 has been widely applied to the toxicological evaluation of industrial and environmental chemicals.
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