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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34766-2017 |
Determination of total humic acid content from mineral source 矿物源总腐殖酸含量的测定 |
China National Standards humic |
 English PDF |
| GB/T 35111-2017 |
humic fertilizers—Classification 腐殖酸类肥料 分类 |
China National Standards humic |
English PDF |
| GB/T 35106-2017 |
Determination of unbound humic acid content from mineral source 矿物源游离腐殖酸含量的测定 |
China National Standards humic |
English PDF |
| GB/T 35107-2017 |
Determination of soluble humic acid content for mineral humic acid fertilizers 矿物源腐殖酸肥料中可溶性腐殖酸含量的测定 |
China National Standards humic |
English PDF |
| GB/T 35112-2017 |
humic-acids and fulvic-acids materials products for agricultural use—Classification 农业用腐殖酸和黄腐酸原料制品 分类 |
China National Standards humic |
English PDF |
| GB/T 11957-2001 |
Determination of yield of humic acids in coal 煤中腐植酸产率测定方法 |
China National Standards humic |
English PDF |
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