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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 614-2021 |
Chemical reagent—General method for the determination of refractive index 化学试剂 折光率测定通用方法 |
China National Standards Chemical reagent—General method |
 English PDF |
| GB/T 611-2021 |
Chemical reagent—General method for the determination of refractive index 化学试剂 密度测定通用方法 |
China National Standards Chemical reagent—General method |
English PDF |
| GB/T 609-2018 |
Chemical reagent—General method for the determination of total nitrogen 化学试剂 总氮量测定通用方法 |
China National Standards Chemical reagent—General method |
English PDF |
| GB/T 34704-2017 |
Chemical reagent—General method for the determination of aldehyde 化学试剂 醛测定通用方法 |
China National Standards Chemical reagent—General method |
English PDF |
| GB/T 35496-2017 |
Chemical reagent—General method for the determination of nitrate 化学试剂 硝酸盐测定通用方法 |
China National Standards Chemical reagent—General method |
English PDF |
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