Analysis of coffee and coffee products; determination of pH and acid content; method for roasted coffee
Lithium carbonate,lithium hydroxide monohydrate and lithium chloride--Determination of lithium carbonate content--Acid-alkali titrimetric method
适用范围:本标准规定了碳酸锂中碳酸锂含量的测定方法。 本标准适用于工业级碳酸锂中碳酸锂含量的测定。测定范围:大于95.00%。
发布日期:1989-03-31 实施日期:1990-02-01
Isopropyl Acetate
适用范围:Material for industrial purposes. Colour, relative density, distillation range, water, residue on evaporation, acidity, ester content. Test methods.
实施日期:1968-01-01
Surface active agents -- Determination of the power to disperse calcium soap -- Acidimetric method (Modified Schoenfeldt method)
适用范围:A 0,5 % (m/m) aqueous soap solution is prepared, and after maintaining this at testing temperature for 24 h, an aliquot portion of this solution is taken. This aliquot portion is mixed with a dilute so...
发布日期:1983-02-01 实施日期:1983-02-01
Hydrochloric acid for industrial use -- Part 1: Determination of total acidity -- Section 1: Titrimetric method
适用范围:この規格は,工業用塩酸の全酸性度の求め方について規定する。
Methods of test for petroleum and its products. Determination of acidity, neutralization value. Colour indicator titration method
适用范围:Identical with IP 1/94.
Specification for diethyl ether (technical)
适用范围:Specific gravity; distillation range; limits for residue on evaporation, water, acidity, peroxide and sulphur compounds. Methods of test appended.
实施日期:1957-12-31
Surface active agents - Determination of the power to dispersecalcium soap - Acidimetric .method (Modifled Schoenfeldt method)
适用范围:本标准规定了一种酸量滴定法,以测定使至少95%的钙皂完全分散保持1h所需的分散剂(表面活性剂,下同)最低量。 注:本方法还可提供由于分散剂不足量时部分分散的钙皂量的数据。 本标准适用于所有类型的表面活性剂,只要这些...
发布日期:2008-05-28 实施日期:2008-12-01
Surface active agents--Determination of the power to disperse calcium soap--Acidimetric method (Modified Schonfeldt method)
Methods of Test for Petroleum and Its Products Part 431:Petroleum Products-Determination of Acid Number-Semi-Micro Colour-Indicator Titration Method [Use:IP 431/98]
适用范围:Identical with IP 431/98
实施日期:1998-03-01
Verfahren zur Pruefung von Salpetersaeure Methods of Test for Nitric Acid Methodes d'essai pour l'acide nitrique
适用范围:Applicable to commercial nitric acid suitable for general industrial purposes. Determination of total acidity, sulphuric acid content, nitrous acid content, calculation of nitric acid content, determin...
实施日期:1968-01-01
Verfahren fuer die Probenahme und Pruefung von halogenierten Kohlenwasserstoffen. Bestimmung der Aziditaet der fluorchlorierte Kohlenwasserstoffe Methods of Sampling and Test for Halogenated Hydrocarbo...
适用范围:Determination of acidity by extraction with water and titration with a standard volumetric sodium hydroxide solution.
实施日期:1979-01-01
Methods of test for petroleum and its products. Petroleum products and lubricants. Inhibited mineral turbine oils. Determination of oxidation stability
适用范围:Identical with IP 280/99.
Verfahren zur Pruefung von Weichmacherestern Method of Test for Plasticizer Esters Methode d'essai pour esters plastifiants
适用范围:Measurement of colour and of colour after heat treatment. Determination of water content, ash, acidity to phenolphthalein, ester content (and saponification or ester value), viscosity, matter oxidizabl...
实施日期:1973-04-30
Plastics. Unplasticized cellulose acetate. Determination of free acidity.
Reagenzien fuer die chemische Analyse. Pruefverfahren Reagents for Chemical Analysis Part 1:Methods of Test Reactifs pour analyse chimique. Methodes d'essai
适用范围:Test methods for verifying compliance of reagents for chemical analysis with specifications to be published in further parts of this standard.
实施日期:1983-01-01
Test methods of caprolactam for industrial use - Part 6: Determination of acidity or alkalinity
适用范围:GB/T 13255的本部分规定了用滴定分析法测定工业用已内酰胺中酸度或碱度。
发布日期:2009-05-13 实施日期:2010-01-01
Photography. Processing chemicals. Specifications for anhydrous sodium acetate
适用范围:Establishes criteria for the purity of photographic-grade anhydrous sodium acetate and describes the tests to be used to determine the purity. The test methods are concerned with assay, insoluble matte...
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