Chemical analysis methods of potassium fluoborade - Part 3: Determination of potassium fluoborade content - Distillation-sodium hydrogen oxidizes titration volumetric method
适用范围:GB/T 22661的本部分规定了氟棚酸钾中氟棚酸钾含量的测定方法。 本部分适用于氟棚酸钾中氟棚酸钾含量的测定。测定范围:≥95%。
发布日期:2008-12-29 实施日期:2009-11-01
Klebstoffe. Bestimmung der Sauerezahl Adhesives-Determination of Acid Value Adhesifs. Determination de l'indice d'acidite
适用范围:This standard specifies a method for determination of the acid value of adhesives, adhesive components, their basic constituents, and related products. In some cases, notably when unsaturated polyester...
实施日期:1998-07-15
实施日期:1998-04-01
Alloyed steel - Determination of manganese content - Potentiometric or visual titration method
适用范围:本部分规定了用电位滴定法或可视滴定法测定锰含量。 本部分适用于合金钢中质量分数为2%~25%锰含量的测定。 钒、铈干扰测定结果。如果样品中铈含量小于0.01%或钒含量小于0.005%,干扰可以忽略。如果样品中铈含量大于0.01%或...
发布日期:2008-05-30 实施日期:2008-12-01
Probenahme und Analyse von Nickel,Ferronickel und Nickellegierungen. Nickel,Ferronickel und Nickellegierungen;Bestimmung des Kohlenstoffgehalts;Infrarot-Absorptions-Verfahren nach Verbrennung im Indukt...
适用范围:For a carbon content of nickel and ferro-nickel in the range 0.001% to 2% (m/m) and of nickel alloys in the range 0.001% to 0.5% (m/m).
实施日期:1986-01-01
Standard Practice for Calculation of Permanent Shear Stability Index
适用范围:<p id="s00027">Permanent Shear Stability Index (PSSI) is a measure of the loss of viscosity, due to shearing, contributed by a specified additive.</p> <p class="desc"> <span class="smallcap">Note</span...
实施日期:2006-05-01
Aluminium und Aluminiumlegierungen. Analyseverfahren. Bestimmung von Eisen (volumetrisch-Titan(III)-chloridverfahren) Method for The determination of iron in aluminium and aluminium alloys (volumetric:...
适用范围:Reagents, sampling, test procedure.
实施日期:1955-02-28
Method of Test for Total Acid Number of Trichlorotrifluoroethane
发布日期:1980-05-24 实施日期:1980-05-24
Methods for chemical analysis of iron,steel and alloy--The sodium fluoride separation--EDTA titration method for the determination of aluminium content
适用范围:本标准规定了用氟化钠分离-EDTA滴定法测定铝含量。 本标准适用于钢、合金中0.50%(m/m)~10.00%(m/m)铝含量的测定。
发布日期:2000-04-11 实施日期:2000-11-01
Non-ionic surface active agents -- Determination of cloud point index -- Volumetric method
适用范围:The determination is carried out by adding, at 30 degree Celsius, of distilled water to a propanol solution to the surface active agent until the appearance of cloudiness. The determination of the clou...
发布日期:1977-02-01 实施日期:1977-02-01
Tenside. Waschmittel. Bestimmung des Gehaltes der kationaktiven Substanz. Kationaktive Substanz niedriger Molmasse (zwischen 200 und 500) Surface active agents. Detergents. Determination of cationic-ac...
适用范围:This part of ISO 2871 specifies a method for the determination of low-molecular-mass cationic-activematerials such as monoamines, amine oxides, quaternary ammonium compounds and alkylpyridinium saltswh...
实施日期:2010-04-30
Dichlorophen. Spezifikation Specification for Dichlorophen Dichlorophene. Specification
适用范围:Specifies requirements and methods of test for dichlorophen C$d1$d3H$d1$d0Cl$d2O$d2 as a technical grade chemical for use as an active ingredient in solutions or compositions imparting resistance to mi...
实施日期:1973-10-15
Chemical analysis of magnesium fluoride - Part 4: Determination of magnesium - EDTA volumetric method
适用范围:本标准规定了氟化镁中镁量的测定方法。 本标准适用于氟化镁中镁量的测定。测定范围:25%~40%。
发布日期:2008-06-09 实施日期:2008-12-01
Methods for chemical analysis of iron,steel and alloy--The neutralization titrimetric method for the determination of boron content
适用范围:本标准规定了中和滴定法测定硼量。 本标准适用于高硼不锈钢中硼量的测定。测定范围:0.50%~2.00%。
发布日期:1994-09-26 实施日期:1995-06-01
Fertilizers -- Determination of ammoniacal nitrogen content -- Titrimetric method after distillation
适用范围:The method consists in distilling of the ammonia from an alkaline solution, absorbing in an excess of standard volumetric sulphuric acid solution and back-titrating with standard volumetric sodium hydr...
发布日期:1981-05-01 实施日期:1981-05-01
Iron ores - Determination of total iron content - Titanium(III) chloride reduction potassium dichromate titration methods(routine methods)
适用范围:警告:使用GB/T 6730本部分的人员应有正规实验室工作的实践经验。本标准并未指出所有可能的安全问题。使用者有责任采取适当的安全和健康措施,并保证符合国家有关规定条件。GB/T 6730的本部分规定了三氯化钛还原重铬酸钾滴...
发布日期:2009-10-30 实施日期:2010-05-01
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