共找到 109 條與 皮革熱老化條件下的六價鉻含量測定方法 相關的標準,共 8 頁
Leather — Chemical determination of formaldehyde content — Part 2: Method using colorimetric analysis
Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (ISO 17226-2:2018); German version EN ISO 17226-2:2019
Leather – Chemical determination of formaldehyde content – Part 2: Method using colorimetric analysis
Leather — Chemical determination of formaldehyde content — Part 2: Method using colorimetric analysis
本文件規(guī)定了測定皮革中游離和釋放甲醛的方法。該方法基于比色分析,不適用于甲醛的精確量化。甲醛含量是指在標準條件下,從皮革水提取物中游離甲醛和通過水解提取的甲醛的量。此過程對甲醛并非絕對選擇性,其他化合物如提取的染料可能在412 nm處產(chǎn)生干擾
Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (ISO 17226-2:2018)
本國際標準規(guī)定了一種測試方法,用于測定以下防腐劑的總含量(溶劑可萃?。?— 2-(硫代氨基甲硫基)-苯并噻唑 (TCMTB); — 4-氯-3-甲基苯酚 (PCMC); — 2-苯基苯酚 (OPP); — 2-辛基異噻唑啉-3(2H)-酮 (OIT); 在皮革中使用液相色譜法。該方法也可用于測定
Chemical method for determination of preservatives (TCMTB, PCMC, OPP, OIT) content in leather using liquid chromatography - Part 1: Acetonitrile extraction method (draft)
Leather – Chemical determination of formaldehyde content – Part 2: Method using colorimetric analysis
Leather. Chemical determination of formaldehyde content. Part 2. Method using colorimetric analysis
Methods of Chemical Testing of Leather - Part 10 Determination of Chromic Oxide Content - Section 3 Quantification by atomic absorption spectrometry
本國際標準規(guī)定了測定以下防腐劑水可萃取含量的測試方法: — 2-(硫氰甲基硫代)-苯并噻唑 (TCMTB); — 4-氯-3-甲基苯酚 (PCMC); — 2-苯基苯酚 (OPP); — 2-辛基異噻唑啉-3(2H)-酮 (OIT); 通過液相色譜法測定皮革中的含量。該方法也可用于測定這些防腐劑的
Chemical method for determination of preservatives (TCMTB, PCMC, OPP, OIT) content in leather using liquid chromatography - Part 2: Artificial sweat extraction method (draft)
Leather - Chemical determination of formaldehyde content - Part 2: Method using colorimetric analysis (ISO 17226-2:2008)
This document specifies a method for the determination of free and released formaldehyde in leathers. This method, based on high-performance liquid
Leather - Chemical determination of formaldehyde content - Part 1: Method using high-performance liquid chromatography
METHODS OF CHEMICAL TESTING OF LEATHER Part 13 Determination of total silicon content Reduced molybdosilicate spectrometric method
Leather - Chemical determination of formaldehyde content - Part 1: Method using high performance liquid chromatography (ISO 17226-1:2008)
Leather – Chemical determination of formaldehyde content – Part 2: Method using colorimetric analysis (ISO 17226-2:2018)
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