GB/T 30921.1-2014
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
GB/T 15072.4-2008(\u82f1\u6587\u7248)
贵金属合金化学分析方法 钯、银合金中钯量的测定 二甲基乙二醛肟重量法
GB/T 6730.30-2017(\u82f1\u6587\u7248)
铁矿石 铬含量的测定 二苯基碳酰二肼分光光度法
GB/T 6730.34-2017(\u82f1\u6587\u7248)
铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法
GB/T 13748.21-2009(\u82f1\u6587\u7248)
镁及镁合金化学分析方法 第21部分:光电直读原子发射光谱分析方法测定元素含量
GB/T 5543-2006
Resin finishing agent―Determination total formaldehyde content、free formaldehyde content and methylol formadehyde contend
GB/T 30053-2013
Determination of Benzene, toluene and xylene in crude benzene
GB/T 13748.20-2009(\u82f1\u6587\u7248)
镁及镁合金化学分析方法 第20部分:ICP-AES测定元素含量
GB/T 14327-2009
Determination of thiophene content in benzene
GB/T 8039-2022
Determination of total sulfur of coking benzole products
GB/T 19941.3-2019
Leather and fur—Determination of formaldehyde content—Part 3: Formaldehyde emissions
GB/T 34532-2017
Coking wastewater—Determination of ammonia nitrogen content—Formaldehyde method
GB/T 32684-2016
Plastic—Phenolic resins—Determination of free formaldehyde content
GB/T 43085-2023
Plastics—Polymer dispersions—Determination of the content of free formaldehyde
GB/T 14326-2009
Determination of carbon disulfide content in benzene
GB/T 39689-2020
Surface active agents—Determination of free formaldehyde
GB/T 34448-2017
Tissue paper and disposable products—Determination of formaldehyde
GB/T 18932.14-2003
Method for the determination of benzaldehyde residues in honey--HPLC-fluorescence detection method
GB/T 32118-2015
Determination of formaldehyde in toothpaste—High performance liquid chromatography
GB/T 3208-2009
Standard test method for the total tulfur tontent in tenzene - Type products by oxidative microcoulometry