 |
Chinese Classification
Professional Classification
ICS Classification
Latest
Value-added Services
|
| Chinese National Standard Category: Basic standards and general methods for surface active agent |
| English Title: | Test methods of crystalline layered sodium disilicate |
| Chinese Title: | 层状结晶二硅酸钠试验方法 |
| Standard No.: | GB/T 19421-2008 |
| Category No.: | G72 |
| Issued by: | AQSIQ; SAC |
| Issued on: | 2008-05-28 |
| Implemented on: | 2008-12-1 |
| Status: | superseded |
| Superseded by: | GB/T 19421.1-2003 Test methods of crystalline layered sodium disilicate―Qualitative analysis of delta-crystalline layered sodium disilicate―Method of X-ray diffractometer |
| Superseded on: | 2004-6-1 |
| Abolished on: | |
| Superseding: | GB/T 19421.3-2003 层状结晶二硅酸钠试验方法 pH值的测定 |
| Word Count: | 10500 words |
| Similar Standards: | GB/T 18748-2002 GB/T 6373-2003 GB/T 7379-2003 GB/T 13530-2023 GB/T 42415-2023 GB/T 11987-2022 GB/T 13892-2020 GB/T 7383-2020 GB/T 39689-2020 GB/T 38730-2020 GB/T 38722-2020 GB/T 11989-2020 GB/T 38732-2020 GB/T 38731-2020 GB/T 38729-2020 GB/T 37505-2019 GB/T 15818-2018 GB/T 5174-2018 GB/T 5173-2018 GB/T 35862-2018 |
| Tel: +86-10-8572 5655 | Fax: +86-10-8581 9515 | Email: coc@codeofchina.com | QQ: 672269886 |
| Copyright: Foryou Tech Co., Ltd. 2008-2020 |