GB/T 38724-2020.Furniture harmful substances-Test method for radioactivity.GB/T 38724规定了家具中放射性物质测试方法的术语和定义、原理、仪器设备、样品、...
GB/T 38741-2020.Oral care and cleansing prod ucts- Determination of chlorhexidine,furacin,diclofenac , chloroxylenol and hexamidine diiset hionate in toothpastes-High performance ...
GB/T 38721-2020.Fireworks- General technical requirements for mechanical mixing equipment of pyrotechnic composition.GB/T 38721规定了烟花爆竹烟火药混药设备的术语和定...
GB/T 38723-2020.Determination of emission rate of volatile organic compounds from wooden furniture- Concentration history method.GB/T 38723规定了木家具中甲醛、苯、甲苯、...
GB/T 38728-2020.Terminology , definition and classi fication of smart watches.GB/T 38728规定了智能手表的术语、定义和分类。GB/T 38728适用于不同结构和用途的智...
GB/T 38730-2020.Determination of water dispersing power of surfactants in dry cleaning solvents.GB/T 38730规定了水增溶力和水乳化力的测定方法。GB/T 38730适用于干洗...
GB/T 38732-2020.Surface active agents-Test methods of technical alkane sulfonates.GB/T 38732规定了表面活性剂工业烧基磺酸盐的pH值、含水量、游离碱或游离酸、...
GB/T 38731-2020.Surface active agents- Test methods of technical sodium secondary alkylsulphates.GB/T 38731规定了表面活性剂工业仲烷基硫酸钠的pH值、含水量、游离...
GB/T 38729-2020.Surface active agents-Test methods of technical sodium primary alkylsulphates.GB/T 38729规定了表面活性剂工业伯烷基碗酸钠的pHI值含水量、游离碱或...
GB/T 38722-2020.Surface active agents-Determination of interfacial tension-Drawing up liquid films.GB/T 38722规定了用拉起液膜法测定表面活性剂界而张力的试验方法...