GB/T 24583.1-2019(\u82f1\u6587\u7248)
钒氮合金 钒含量的测定 硫酸亚铁铵滴定法
GB/T 24583.5-2019(\u82f1\u6587\u7248)
钒氮合金 磷含量的测定 铋磷钼蓝分光光度法
GB/T 6730.38-2017(\u82f1\u6587\u7248)
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
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 6730.7-2016(\u82f1\u6587\u7248)
铁矿石 金属铁含量的测定 磺基水杨酸分光光度法
GB/T 39715.2-2021
Plastics—Biobased content—Part 2: Determination of biobased carbon content
GB/T 39715.4-2021
Plastics—Biobased content—Part 4: Determination of biobased mass content
GB/T 6730.44-2017(\u82f1\u6587\u7248)
铁矿石 锌含量的测定 1-(2-吡啶偶氮)-2-萘酚分光光度法
GB/T 42985-2023
Method for determining the bio-based content of bio-based foam
GB/T 39715.3-2021
Plastics—Biobased content—Part 3:Determination of biobased synthetic polymer content
GB/T 24583.8-2019(\u82f1\u6587\u7248)
钒氮合金 硅、锰、磷、铝含量的测定 电感耦合等离子体原子发射光谱法
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 36691-2018
Methyl vinyl silicone rubber—Determination of vinyl content—Near infrared spectroscopy
GB/T 39715.1-2021
Plastics—Biobased content—Part 1: General principles
GB/T 20373-2021
Determination of acetyl content in modified starch—Titrimetric method
LY/T 2557-2015
Method for determining the bio-based content of bio-based foam
GB/T 31927-2015
Zinc and aluminum based coatings on steel sheets and strips—Determination of lead and cadmium contents—Inductively coupled plasma mass spectrometric method
GB/T 43314-2023
Silicone rubber—Determination of phenyl and vinyl content—1H-NMR method
GB/T 31926-2015
Zinc and aluminum based coatings on steel sheets and strips—Determination of lead,cadmium and chromium contens—Glow discharge atomic emission spectrometry method
GB/T 29649-2013
Determining the biobased content of biobased materials - Liquid scintillation counters(LSC)method