发布时间:2024-05-27 17:49:26 - 更新时间:2024年06月29日 15:22
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Leather—Chemical tests—Thermal ageing of leather and determination of hexavalent chromium
Metallic coatings—Electroplated coatings of zinc and zinc alloys on iron or steel with supplementary Cr(Ⅵ)-free treatment
Determination of migratable chromium(Ⅵ) in toy materials—Ion chromatography
Determination of certain substances in electrical and electronic products—Part 7-2:Hexavalent chrome—Determination of hexavalent chrome[Cr(VI)]in polymers and electronics by the colormetric method
Restricted substance in electrical and electronic products—Determination of hexavalent chromium—Ion chromatography method
Determination of certain substances in electrical and electronic products—Part 7-1:Hexavalent chromium—Presence of hexavalent chromium [Cr(VI)] in colourless and coloured corrosion-protected coatings on metals by the colorimetric method
Leather and fur—Chemical tests—Determination of chromium(VI) content:Chromatographic method
Leather and fur—Chemical tests—Determination of chromium(VI) content:Colorimetric method
Leather and fur chemicals—Determination of chromium (VI) and the reductive potential for chromium tanning agents
Determination of hexavalent chromium in plastic materials
Limits for lead, cadmium, hexavalent chromium, mercury in plastic materials
The assessment method of the heavy metal Sb,As,Ba,Se and Cr(Ⅵ)in furniture
Determination of migratable chromium(Ⅵ) in toy materials—High performance liquid chromatography-inductively coupled plasma mass spectrometry(HPLC-ICP-MS)
Limits and determination of lead, cadmium, mercury, arsenic and hexavalent chromium in glass fiber
Determination of chromium(Ⅵ) content in textiles dyeing and finishing auxiliaries
本标准规定了分光法测定含铬耐火材料中六价铬含量的化学分析方法。 本标准适用于六价铬的测定范围小于500 μg/g。
Determination of chromium (Ⅵ)in chrome refractories.Spectrometric method
本标准规定了二苯碳酰二肼分光光度法测定六价铬含量的方法。 本标准适用于钢板及钢带表面锌及锌合金镀层,其中包括镀纯锌、锌铁合金、锌铝和铝锌合金表面六价铬含量的测定。测定范围:2 μg/g~100 μg/g或0.020 μg/cm~10 μg/cm。
Zinc or zinc alloy coating on steel sheets or strips.Determination of hexavalent chromium content.1,5-Diphenylcarbohydrazide (diphenylcarbazide) spectrophotometric method
本标准规定了原子荧光光谱法测定电子电气产品中六价铬的分析方法。本标准适用于电子电气产品中的聚合物材料中六价铬的测定。
Determination of chromium (VI) in electrical and electronic products.Atomic fluorescence spectrometry
本标准规定了饰品中六价铬的二苯碳酰二肼分光光度测定方法。 本标准适用于饰品中六价铬的测定。
Adornment.Determination of Chromium (Ⅵ).1,5-Diphenylcarbohydrazide spectrophotometric method
本标准规定了电子电气产品中铅(Pb)、汞(Hg)、镉(Cd)、六价铬(Cr(Ⅵ)),以及多溴联苯(PBB)和多酒二苯醚(PBDE)两类溴化阻燃剂含量的测定方法。 本标准只涉及样品的处理和检测,样品的类别和取样方式由检测机构确定。 需要注意的是样品的选择会影响检测结果的表述。 本标准不包括: ——样品“单元”或者“均质材料”的定义; ——获得样品的拆分程序; ——评价程序。
Electrical and electronic products.Determination of six regulated substances(lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenl ethers)
本标准规定了机化工产品中六价铬含量测定的通用方法——二苯碳酰二肼分光光度法的原理、安全提示、一般规定、试剂、仪器、设备、分析步骤和结果计算。 本标准适用于机化工产品中六价铬离子的测定,六价铬离子(Cr)在0.004mg/L~1.000mg/L范围内虽线性关系。试验溶液体积为50mL,使用光程长为3cm的比色皿,本方法的最小检出量为0.2μg六价花铬,最低检出浓度为0.004mg/L;使用光程为1cm的比色皿,测定上限浓度为1.000mg/L(不干扰测定的离子参见附录A)。
Inorganic chemicals for industrial use.General method for the determination of chromium(Ⅵ)content.1,5-Diphenylcarbohydrazide spectrophotometric method
本标准规定了皮革、毛皮中六价铬含量的测定方法。 本标准适用于各类皮革、毛皮产品及其制品。
Leather and fur.Chemical tests.Determination of chromium Ⅵ content
本指导性技术文件规定了各类电子电气产品中六价铬的测定方法。 本指导性技术文件适用于各类电子电气产品中六价铬的测定。
Determination of regulated substance(hexavalent chromium)in electrical and electronic equipment
警告:使用GB/T 17593的本部分的人员应有正规实验室工作的实践经验。本部分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法规规定的条件。 GB/T 17593的本部分规定了采用分光光度计测定纺织品萃取溶液中可萃取六价铬[Cr(VI)]含量的方法。 本部分适用于纺织材料及其产品。
Textiles. Determination of heavy metals. Part 3: Chromium (VI). Spectrophotometry
本标准规定了粉状铬鞣剂中六价铬离子含量的测定方法。 本标准适用于以重铬酸钠为原料,用硫酸等酸化,葡萄糖或二氧化硫(SO)等还原,或再配入助剂而制成的适用于制革主鞣或复鞣用的粉状铬鞣剂。
Chrome powder.Determination of chromium(VI)
本标准规定了测定固体废物浸出液中六价铬的硫酸亚铁铵滴定法。 本标准适用于固体废物浸出液中六价铬的测定。方法也可用于测定水和废水中的六价铬。
Solid waste--Determination of chromium(VI)--Titrimetric method
本标准规定了固体废物浸出液中六价铬的测定,用二苯碳酰二肼分光光度法。 本标准适用于固体废物浸出液中六价铬的测定。
Solid waste--Determination of chromium(VI)--1,5-Diphenylcarbohydrazide spectrophotometric method
本标准规定了测定色漆和清漆“可溶性”六价铬含量的方法。 本标准适用于“可溶性”六价铬含量约在0.05%~5%(m/m)范围内的色漆。
Paints and varnishes--Determination of "soluble" metal content--Part 5:Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form--Diphenylcarbazide spectro
Water quality-Determination of chromiun(Ⅵ)-1,5 Dtphenylcarbohydrazide spectrophotometric method
本标准适用于地面水和工业废水中六价铬的测定。
Water quality--Determination of chromium(6)--1.5 Diphenylcarbahydrazide spectrophotometric method
Paints and varnishes — Determination of “soluble” metal content — Part 5: Determination of hexavalent chromium content of the pigment portion of the liquid paint or the paint in powder form — Diphenyl
Standard Practice for Detection of Hexavalent Chromium On Zinc and Zinc/Aluminum Alloy Coated Steel
Determination of certain substances in electrotechnical products — Part 7-2: Hexavalent chromium — Determination of hexavalent chromium[Cr(VI)] in polymers and electronics by the colorimetric method
在酸性溶液中,六价铬与二苯碳酰二肼反应生成紫红色络合物,于最大吸收波长540 nm进行分光光度法测定。
Determination of chromium (VI) in fertilizers-Spectrophotometric
Determination of hexavalent chromium in corrosion protection coating-automotive parts