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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| QB/T 2344-2012 |
Amphoteric surfactants. Fatty alkyl dimethyl betaines 两性表面活性剂 脂肪烷基二甲基甜菜碱 |
China Light Industry
Standards Amphoteric |
 English PDF |
| QB/T 2118-2012 |
Amphoteric surfactants. Undecyl imidazolines 两性表面活性剂 十一烷基咪唑啉 |
China Light Industry
Standards Amphoteric |
English PDF |
| SY/T 5696-1995 |
(Amphoteric polymers with high drilling sub-strong coating agent FA367) 钻井液用两性离子聚合物强包被剂FA367 |
China Oil & Gas Industry
Standards Amphoteric |
English PDF |
| SY/T 5695-1995 |
(Amphoteric ion polymer drilling fluid viscosity reducer XY27) 钻井液用两性离子聚合物降粘剂XY27 |
China Oil & Gas Industry
Standards Amphoteric |
English PDF |
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