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GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 17674-2021 |
Determination of nitrogen in crude oil -- Boat-inlet chemiluminescence 原油中氮含量的测定 舟进样化学发光法 |
China National Standards chemiluminescence |
 English PDF |
| GB/T 33318-2016 |
Gas analysis—Determination of sulfide—Gas chromatography with sulfur chemiluminescence 气体分析 硫化物的测定 硫化学发光气相色谱法 |
China National Standards chemiluminescence |
English PDF |
| GB/T 17674-2012 |
Determination of nitrogen in crude oil by boat-inlet chemiluminescence 原油中氮含量的测定 舟进样化学发光法 |
China National Standards chemiluminescence |
English PDF |
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