BS 2782-4.451D(1978) : 1978 AMD 10254被替代
METHODS OF TESTING PLASTICS - CHEMICAL PROPERTIES - DETERMINATION OF FREE AMMONIA AND AMMONIUM COMPOUNDS IN PHENOL-FORMALDEHYDE MOULDINGS (COLORIMETRIC COMPARISON METHOD)
出版：British Standards Institution
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基本信息
标准编号： BS 2782-4.451D(1978) : 1978 AMD 10254
标准类别：Standard
出版单位：British Standards Institution
标准页数：0
标准简介
Gives a colorimetric comparison for the semi-quantitative determination of ammonia in phenol-formaldehyde mouldings. Covers references, principle, reagents, apparatus, preparation of test sample and procedure. BS AMD 10254 RENUMBERS STD
本标准替代的旧标准
替代本标准的新标准
等同采用的国际标准
ISO 120 : 1977(R2014) - Identical
