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| Standard Insuued on: 1989-01 |
GB/T 12148-1989 Analysis of water used in boiler and cooling system-The determination of total silicon-Photometric method by conversion with hydrofluoric acid for low-silicon
锅炉用水和冷却水分析方法 全硅的测定 低含量硅氢氟酸转化法
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | China petroleum and chemical industry association | Issued Date: | 1989-01-02 |
| Implemented Date: | 1990-1-1 | Abolished Date: | 2007-02-01 |
| Superseded Standard.: | GB/T 12148-2006 Analysis of water used in boiler and cooling system - Determination of total silicon - Photometric method by conversion with hydrofluoric acid for low silicon |
Superseded Date: | 2007-2-1 |
FZ/T 01057.11-1999
GB 12021.5-1989
GB/T 11327.2-1989
FZ/T 01057.5-1999
GB/T 12000-2003
TZ 008-198702
HG/T 3422-2000
FZ/T 10013.3-1999
FZ/T 10013.2-1999
GB/T 12138-1989
GB/T 12033-1989
GB/T 12143.2-1989
GB 12140-1989
GB/T 11943-1989
GB/T 12030-1989
GB 12142-1989
GB 12136-1989
GB 12141-1989
GB/T 12032-1989
GB 12143.1-1989
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