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It specifies an object-oriented data model
BS EN 71-4:1998 specifies requirements for the maximum amount of certain substances and preparations used in experimental sets for chemistry and related activities
BS EN BS CECC 63101 on quality assessment of films and integrated circuits is useful for:
new Health and Safety Commission (HSC) and HSE initiatives
Plastics. Determination of permanganate absorption number of caprolactam. Spectrometric method Ingestion-build-48068 It specifies an object-oriented data1 Scope This International Standard specifies a spectrometric method for the determination of the permanganate absorption number of caprolactam for industrial use. The permanganate absorption number is a measure of the oxidizable impurities in caprolactam, determined in a buffered neutral aqueous medium under fixed conditions. The method is applicable to purified caprolactam (and intermediates in the caprolactam purification process) with an
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