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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 20432.9-2007 |
Photography - Photographic-grade chemicals - Test methods - Part 9： Reaction to ammoniacal silver nitrate 摄影 照相级化学品 试验方法 第9部分：和硝酸银氨溶液的反应 |
China National Standards ammoniacal |
 English PDF |
| GB/T 3600-2000 |
Fertilizers--Determination of ammoniacal nitrogen content--Formaldehyde method 肥料中氨态氮含量的测定 甲醛法 |
China National Standards ammoniacal |
English PDF |
| GB/T 3595-2000 |
Fertilizers--Determination of ammoniacal nitrogen content--Titrimetric method after distillation 肥料中氨态氮含量的测定 蒸馏后滴定法 |
China National Standards ammoniacal |
English PDF |
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