QB/T 4970-2016.Surface active agents- Determination of anionic surfactant in raw materials and formulated products一Potentiometric titration method.QB/T 4970规定了测定表面活性...
QB/T 4969-2016.Surface active agents- Determination of cationic surfactant in raw materials and formulated products- Potentiometric titration method.QB/T 4969规定了测定表面活性...
QB/T 4968 - 2016.Floor stripper.1范围QB/T 4968规定了地板清洁脱蜡剂的要求、试验方法、检验规则、标志、包装、运输、贮存。QB/T 4968适用于由表面...
QB/T 4888-2015.Geometric size measuring methods of precious metal jewellery and accessory.QB/T 4888规定了贵金属饰品及其零部件几何尺寸的测量法及测量允差。Q...
QB/T 4886 - 2015.Footwear -Performance requirement for sole flexing resistance at low-temperature.QB/T 4886规定了鞋底低温耐折的术语和定义、要求，取和环境调节、...
QB/T 4839-2015.Upholstered furniture-Foam mattress.QB/T 4839规定了软体家具发泡型床垫的术语和定义、代号、产品分类、要求、试验方法、检验规则、标...
QB/T 2912-2016.Safety technical specifications for using isobutane as refrigerant in household and similar refrigerating appliances industry.QB/T 2912规定了使用异丁烷制冷剂...
QB/T 2911-2016.Safety technical specifications for using cyclopentane as blowing agent in household and similar electrical appliances industry.QB/T 2911规定了使用环戊烷发泡剂...
QB/T 1887-2017.Cycles- Flywhel.5.5表面质量测试5.5.1表 面氧化处理5.5.1.1 测试方法飞轮表面氧化处理件的表面质量按QB/T 1219规定的方法进行测试。5...
QB/T 1789-2014.Citral.5.4 折光指数按GB/T|14454.4的规定进行测定。5.5溶解度按GB/T14455.3的规定进行测定。5.6酸值按GB/T14455.5的规定进行测定。5.7含量...
