 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
LoginRegister |
| Professional Standard Category: Professional Standard - Environment |
HJ 491-2019 Soil and sediment - Determination of copper, zinc, lead, nickel and chromium - Flame atomic absorption spectrophotometry
土壤和沉积物 铜、锌、铅、镍、铬的测定 火焰原子吸收分光光度法;
| Category No.: | HJ | Valid Status: | valid |
| Issued Organization: | Ministry of Ecology and Environment | Issued Date: | 2019-05-12 |
| Implemented Date: | 2019-9-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
HJBZ 22-1998
HJBZ 29-1998
HJ 2.3-1993
HJBZ 16-1997
HJBZ 44-2000
HJBZ 20-1997
HJBZ 12-1997
HJBZ 42-2000
HJBZ 5-1994
HJ 61-2001
HJ/T 77.2-2008
HJBZ 31-1998
HJBZ 30-2000
HJBZ 43-2000
HJBZ 19-1997
HJBZ 8-1999
HJBZ 4-1994
HJBZ 41-2000
HJ 910-2017/XG1-2018
HJ/T 15-1996
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |