Method for determination of acidity in drinking natural mineral water
Fine-cut tobacco and smoking articles made from it -- Methods of sampling, conditioning and analysis -- Part 1: Sampling
发布日期:2001-03-01 实施日期:2001-03-01
Trass; Requirements, Tests
适用范围:Trass; requirements, tests Trass; requêtes, essai-réalisation
适用范围:已经发布国标《烧碱单位产品能源消耗限额》GB 21257-2007,内容涵盖该行业标准的全部内容,行业标准废止。 本标准规定了电解烧碱产品能源消耗量的节约量的计算方法。 本标准适用于对电解法烧碱产品进行能耗考核,也是化工企...
发布日期:1991-01-01 实施日期:1991-01-01
适用范围:本标准规定了测定石油产品中碱性氮的方法。本标准适用于1汽油、煤油、柴油、润滑油等浅色石油产品。
发布日期:1992-05-20 实施日期:1992-05-20
Admixtures for concrete,mortar and grout. Test methods. Part 12:Determination of the alkali content of admixtures
实施日期:2005-10-01
Cigarettes -- Determination of nicotine in smoke condensates -- Gas-chromatographic method
发布日期:2000-04-01 实施日期:2000-04-01
Water quality - Determination of alkalinity - Part 1 : determination of total and composite alkalinity.
D201 macroporous strongly basic styrene type anion exchange resins
适用范围:本标准规定了D201大孔强碱性苯乙烯系阴离子交换树脂的要求、试验方法、检验规则及标志、包装、运输、贮存等。 本标准适用于以季胺基为主要活性基团的D201大孔强碱性苯乙烯系阴离子交换树脂,包括粒径为0.315mm~1.25mm的D201...
发布日期:1996-10-25 实施日期:1997-05-01
Standard Test Method for Determination of Acids and Glycol Esters in Ethylene Glycol
适用范围:<p>The presence of acids or glycol esters in the ethylene glycol used to produce engine coolant is undesirable. Under conditions in an engine cooling system, the esters can hydrolyze to form glycol and...
实施日期:2012-04-01
Textiles--Tests for colour fastness--Colour fastness to mercerizing
适用范围:本标准规定了一种测定各类纺织品的颜色耐碳酸钠稀溶液能力的方法。本方法主要用于天然和再生纤维素材料。 本方法提供加和不加还原抑制剂的两种试验。
发布日期:1997-10-09 实施日期:1998-05-01
Analysis of tea and tea products - Determination of theobromine and caffeine content of fluid tea drinks - Part 2: HPLC-reference method (for low theobromine contents also)
适用范围:The document specifies a HPLC-method for the determination of theobromine and caffeine contents of fluid tea drinks. This method should be prefered for the determination of theobromine contents lower t...
Designation of alkaline secondary cell
适用范围:本标准适用于碱性蓄电池型号命名。
发布日期:1987-01-07 实施日期:1987-06-30
Classification of dense shaped refractory products -- Part 2: Basic products containing less than 7 % residual carbon
适用范围:ISO 10081-2:2003 specifies the classification and designation of dense shaped basic refractory products with or without antioxidant additives. Products containing 7 % or more residual carbon after coki...
发布日期:2003-12-01 实施日期:2003-12-01
实施日期:2004-06-01
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