 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Chinese National Standard Category: Environmental Quality Standard for atmosphere, water and soil |
| English Title: | Water quality; Determination of pH value; Glass electrode method |
| Chinese Title: | 水质 PH值的测定 玻璃电极法 |
| Standard No.: | GB 6920-1986 |
| Category No.: | Z50 |
| Issued by: | AQSIQ |
| Issued on: | 1986-10-10 |
| Implemented on: | 1987-3-1 |
| Status: | superseded |
| Superseded by: | HJ 1147-2020 Water quality—Determination of pH—Electrode method |
| Superseded on: | 2021-6-1 |
| Abolished on: | |
| Superseding: | |
| Word Count: | 2500 words |
| Similar Standards: | T/SSSC 011-2024 DB46/T 687-2025 GB 45437-2025 DB32/T 5013-2025 DB23/T 3629-2023 DB32/T 4712-2024 DB32/T 4678-2024 GB/T 43419.1-2023 DB32/T 4374-2022 T/CCT 009-2021 DB52/T 500-2006 GB 6920-1986 GB/T 39835-2021 SZDB/Z 236-2017 GB/T 14848-2017 GB/T 6921-1986 HJ 596.6-2010 JT/T 645.1-2005 HJ/T 433-2008 SL 63-1994 |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Beijing COC Tech Co., Ltd. 2008-2020 |