GB/T 17140-1997 PDF English
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Basic data
| Standard ID | GB/T 17140-1997 (GB/T17140-1997) |
| Description (Translated English) | Soil quality. Determination of lead, cadmium. KI-MIBK Extraction flame atomic absorption spectrophotometry |
| Sector / Industry | National Standard (Recommended) |
| Classification of Chinese Standard | B10;Z18 |
| Classification of International Standard | 13.08 |
| Word Count Estimation | 5,540 |
| Date of Issue | 12/8/1997 |
| Date of Implementation | 5/1/1998 |
| Summary | This standard specifies the determination of lead in soil, cadmium iodide - methyl isobutyl ketone (KI-MIBK) extraction and flame atomic absorption spectrophotometry. The detection limit of the standard (by weighing 0. 5g sample digestion volume to 50ml calculated) as: Lead 0. 2mg/kg, cadmium 0. 05mg/kg. When the test solution with higher levels of copper, zinc, consume potassium iodide, potassium iodide should be appropriate to increase the amount. |