乌索酸纯度的测定 高效液相色谱法
Determination of purity for ursolic acid - High performance liquid chromatographic method

2009-12-15

Tobacco and tobacco products. Determination of nicotine purity. Gravimetric method using tungstosilicic acid
烟草和烟草制品 尼古丁纯度的测定 钨硅酸重量法

2020-01-17

Tobacco and tobacco products — Determination of nicotine purity — Gravimetric method using tungstosilicic acid
烟草和烟草制品 - 烟碱纯度的测定 - 使用钨硅酸的重量法

2020-01-08

烟草及烟草制品　烟碱纯度的测定　硅钨酸重量法
Tobacco and tobacco products—Determination of nicotine purity—Gravimetric method using tungstosilicic acid

2008-04-14

담배 및 담배 제품 — 니코틴 순도 측정 —텅스토규산을 사용한 무게분석법
烟草和烟草制品 - 烟碱纯度的测定 - 使用钨硅酸的重量法

2020-12-28

Табак и табачные изделия. Определение чистоты никотина. Гравиметрический метод с применением кремневольфрамовой кислоты
烟草制品 尼古丁纯度的测定 使用钨硅酸的重量法

2013-11-14

Cosmetic raw materials. Esters of p-hydroxybenzoic acid. Determination of purity by high pressure liquid chromatography.
化妆品原料 对羟基苯甲酸酯 用高压液相色谱法测定纯度

2007-06-27

Cosmetic raw materials. Sunscreens. Benzoic acid, 2-{4-(diethylamino)-2-hidroxybenzoyl}-hexylester. Determination of the purity by gas chromatography.
化妆品原料 防晒霜 苯甲酸 2-{4-（二乙氨基）-2-二羟基苯甲酰基}-己基酯 用气相色谱法测定纯度

2006-12-20

Testing of materials for semiconductor technology - Determination of traces of elements in liquids - Part 7: Determination of 31 elements in high-purity hydrochloric acid by ICP-MS
半导体技术用材料的试验.液体中微量元素的测定.第7部分:用ICP-MS测定高纯度盐酸中的31种元素

2018-04-01

高纯铝化学分析方法　第6部分:催化锰-过硫酸反应体系法测定银含量
Chemical analysis methods of high purity aluminum—Part 6:Determination of silver content by calalyze reaction system of manganese-persulfric acid method

2008-03-12

工业丙烯酸及酯的试验方法 第2部分：工业用丙烯酸酯有机杂质及纯度的测定 气相色谱法
Test method of acrylic acid and acrylates for industrial use—Part 2:Determination of organic impurities and purity of acrylates for industrial use—Gas chromatography

2023-11-27

Draft Document - Testing of materials for semiconductor technology - Determination of traces of elements in liquids - Part 8: Determination of 33 elements in high-purity sulfuric acid by ICP-MS
文件草案.半导体技术材料的试验.液体中微量元素的测定.第8部分:用ICP-MS测定高纯度硫酸中的33种元素

2022-01-01

Testing of materials for semiconductor technology - Determination of traces of elements in liquids - Part 6: Determination of 36 elements in a high-purity ammonium fluoride solution (NH<(Index)4>F) and in etching mixtures of high-purity ammonium fluoride solution containing hydrofluoric acid
半导体技术材料试验.液体中微量元素的测定.第6部分:高纯度氟化铵溶液（NH<（指数）4>F）和含氢氟酸的高纯度氟化铵溶液蚀刻混合物中36种元素的测定

2014-11-01

Cosmetic raw materials. Sunscreens. Disodium salt of 2,2-bis-(1,4-phenylene)1H-benzimidazole-4,6-disulphonic acid. Determination of purity by liquid chromatography.
化妆品原料 防晒霜 2,2-双-（1,4-苯撑）1H-苯并咪唑-4,6-二磺酸二钠盐 用液相色谱法测定纯度

2006-12-20