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METHOD FOR PREPARATION OF STANDARD MIXTURES OF PETROLEUM PRODUCTS FOR QUANTITATIVE DETERMINATION OF PETROLEUM PRODUCTS IN WATER

机译:定量测定水中石油产品的石油产品标准混合物的制备方法

摘要

FIELD: analytic chemistry. SUBSTANCE: method for preparation of standard mixtures of petroleum products for quantitative determination of petroleum products in water includes weighing of mixture of nonvolatile hydrocarbons with vapor pressure at 20 C of 1·10-4- 1·10-8 mm Hg; introduction of the mixture into water cleaned of petroleum products. From produced standard mixtures petroleum products are extracted by means of carbon tetrachloride. EFFECT: higher efficiency.
机译:领域:分析化学。物质:制备用于定量测定水中石油产品的石油产品标准混合物的方法包括称量不挥发烃的混合物,该混合物在20℃下的蒸气压为1·10 -4 -1·10 < Sup> -8 毫米汞柱;将混合物引入清洁石油产品的水中。用四氯化碳从生产的标准混合物中提取石油产品。效果:更高的效率。

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