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1.1 This test method covers the determination of the silt density index (SDI) of water. This test method can be used to indicate the quantity of particulate matter in water and is applicable to relatively low (<1.0 NTU) turbidity waters such as well water, filtered water, or clarified effluent samples. Since the size, shape, and nature of particulate matter in water may vary, this test method is not an absolute measurement of the quantity of particulate matter.
| Author | ASTM |
|---|---|
| Editor | ASTM |
| Document type | Standard |
| Format | File |
| Confirmation date | 2014-01-01 |
| ICS | 13.060.70 : Examination of biological properties of water |
| Number of pages | 3 |
| Replace | ASTM D4189-07 |
| Set | ASTMVOL1101 |
| Year | 2007 |
| Document history | ASTM D4189-07 |
| Country | USA |
| Keyword | ASTM 4189;ASTM D4189;ASTM D4189;10.1520/D4189-07R14 |