HJ 634-2012 土壤 氨氮、亚硝酸盐氮、硝酸盐氮的测定 氯化钾溶液提取-分光光度法
颁发部门：环境保护部
标签：
亚硝酸盐
,
测定方法
HJ 634-2012 | HJ 634-2012 土壤 氨氮、亚硝酸盐氮、硝酸盐氮的测定 氯化钾溶液提取-分光光度法 现行
发布日期：2012-02-29 实施日期：2012-06-01
HJ 634-2012相关产品
| 商城编码 | 产品名称 | 标准值 | 规格 | CAS号 | 有效期 | 库存 | 标准价 | 数量 | 操作 |
|---|---|---|---|---|---|---|---|---|---|
|
10.7mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
3.21mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
143mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
8.96mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
23.0mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
26.2mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
见证书
|
200g
|
0
|
2200.0
|
|
|||||
|
419mg/kg
|
50g
|
2026-06-12
|
7
|
800.0
|
|
||||
|
见证书
|
50g
|
0
|
800.0
|
|
|||||
|
见证书/土壤/粉末
|
500克/瓶
|
2027-08-01
|
300
|
980.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-09-01
|
300
|
980.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-01-01
|
300
|
880.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-04-01
|
300
|
880.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-04-01
|
300
|
880.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2027-12-01
|
300
|
2880.0
|
|
||||
|
102mg/kg
|
40g
|
12125-02-9
|
2026-07-31
|
10
|
960.0
|
|
|||
|
30.7mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
2.10mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
23.8mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
17.2mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
见证书
|
50g
|
0
|
800.0
|
|
|||||
|
1.97mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
0.44mg/kg
|
50g
|
0
|
800.0
|
|
|||||
|
见产品详情
|
200g
|
0
|
2200.0
|
|
|||||
|
111mg/kg
|
20g
|
2026-05-29
|
23
|
800.0
|
|
||||
|
/
|
2支/套，试剂1为7.5mL，试剂2为382.5mL
|
2026-03-08
|
7
|
240.0
|
|
||||
|
70g/L
|
250mL
|
108-95-2
|
0
|
240.0
|
|
||||
|
见证书
|
250g
|
0
|
咨询
|
|
|||||
|
18.4mg/kg
|
50g
|
0
|
570.0
|
|
|||||
|
53.4mg/kg
|
40g/瓶
|
7632-00-0
|
2026-03-01
|
3
|
960.0
|
|
|||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-08-01
|
300
|
1380.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-09-01
|
300
|
980.0
|
|
||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-10-01
|
300
|
980.0
|
|
||||
|
见产品详情
|
200g
|
0
|
2200.0
|
|
|||||
|
见证书/土壤/粉末
|
500克/瓶
|
2028-10-01
|
200
|
980.0
|
|
||||
|
见产品详情
|
200g
|
0
|
2200.0
|
|
|||||
|
见产品详情
|
200g
|
2027-01-04
|
8
|
2200.0
|
|