ISO 759-1981 Volatile organic liquids for industrial use Determination of dry residue after evaporation on water bath General method《工业用挥发性有机液体 水浴蒸发后干残余物的测定 一般方.pdf

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1、Norme internationale 759 INTERNATIONAL ORGANIZATION FOR STANDARDIZATION.MEX,QYHAPOflHAR OPI-AHM3ALWlR l-l0 CTAHAPTbl3AL ml est la masse, en grammes, de la capsule contenant le rsidu. Les rsultats, en termes de teneur en rsidu sec, peuvent tre exprims de lune des manires suivantes : - milligrammes pa

2、r litre (mg/l), ou - milligrammes par kilogramme (mg/kg), ou - pourcentage en masse % (mlm), ou - milligrammes pour 100 ml (mg/lOOml). Si le produit en essai est couvert par une Norme internationale, le mode dexpression spcifi dans la norme doit tre adopt. Dans les autres cas, le mode dexpression do

3、it faire lobjet dun accord entre les parties intresses. La valeur de la masse volumique, utilise pour calculer les rsul- tats en milligrammes par kilogramme ou en pourcentage en masse, doit tre celle qui est dtermine selon la mthode sp- cifie dans IISO 758. 8 Procs-verbal dessai Le procs-verbal dess

4、ai doit contenir les indications suivantes : a) identification de lchantillon; b) rfrence de la mthode utilise; c) rsultats, ainsi que la forme sous laquelle ils sont exprims; d) compte rendu de tous dtails particuliers ventuels rele- vs au cours de lessai; e) compte rendu de toutes oprations non prvues dans la prsente Norme internationale ou dans les Normes interna- tionales auxquelles il est fait rfrence, ou de toutes opra- tions facultatives.

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