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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 40508-2021 |
Determination of tar and dust concentrations in biomass-based synthetic gas 生物质燃气中焦油和灰尘含量的测定方法 |
China National Standards Determination the concentration |
 English PDF |
| GB/T 40345-2021 |
Crop protection equipment—Test method for the determination of drainable volume and its concentration 植物保护机械 确定可排放液体体积及浓度的试验方法 |
China National Standards Determination the concentration |
English PDF |
| GB/T 20216-2016 |
Pulp and paper—Determination of the effective residual ink concentration (ERIC number)—Infrared reflectance measurement 纸浆和纸 有效残余油墨浓度（ERIC值）的测定 红外线反射率测量法 |
China National Standards Determination the concentration |
English PDF |
| GB/T 11276-2007 |
Surface active agents - Determination of the critical micellization concentration 表面活性剂 临界胶束浓度的测定 |
China National Standards Determination the concentration |
English PDF |
| GB/T 8757-2006 |
Determination of carrier concentration in gallium arsenide by the plasma resonance minimum 砷化镓中载流子浓度等离子共振测量方法 |
China National Standards Determination the concentration |
English PDF |
| GB/T 15434-1995 |
Ambient air--Determination of the mass concentration of fluoride--Method by filter sampling andfluorine ion-selective electrode analysis 环境空气 氟化物质量浓度的测定 滤膜·氟离子选择电极法 |
China National Standards Determination the concentration |
English PDF |
| GB/T 6921-1986 |
Determination of the concentration of airborne particulate matters 大气飘尘浓度测定方法 |
China National Standards Determination the concentration |
English PDF |
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