Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 42485-2023 |
Soil quality Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen KCl solution leaching manual analysis method {译} 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提手工分析法 |
China National Standards Determination nitrate nitrogen |
 English PDF |
| GB/T 42487-2023 |
Soil quality - Determination of soil nitrate nitrogen, nitrite nitrogen and ammonium nitrogen - potassium chloride solution leaching flow analysis method {译} 土壤质量 土壤硝态氮、亚硝态氮和铵态氮的测定 氯化钾溶液浸提流动分析法 |
China National Standards Determination nitrate nitrogen |
English PDF |
| GB/T 32737-2016 |
Determination of nitrate nitrogen in soil—Ultraviolet spectrophotometry method 土壤硝态氮的测定 紫外分光光度法 |
China National Standards Determination nitrate nitrogen |
English PDF |
| GB/T 5686.1-2008 |
Ferromanganese，ferromanganese-silicon, nitrogen-bearing ferromanganese and manganese metal - Determination of manganese content - Potentiometric method and titrimetric mothod after ammonium nitrate & perchloric acid oxidation 锰铁、锰硅合金、氮化锰铁和金属锰 锰含量的测定 电位滴定法、硝酸铵氧化滴定法及高氯酸氧化滴定法 |
China National Standards Determination nitrate nitrogen |
English PDF |
| GB/T 3597-2002 |
Fertilizer--Determination of nitrate nitrogen content--Nitron gravimetric method 肥料中硝态氮含量的测定 氮试剂重量法 |
China National Standards Determination nitrate nitrogen |
English PDF |
| Find out:5Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
