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ASTM International - ASTM D4189-07

Standard Test Method for Silt Density Index (SDI) of Water

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Organization: ASTM International
Publication Date: 15 June 2007
Status: inactive
Page Count: 3
ICS Code (Examination of biological properties of water): 13.060.70
significance And Use:

The SDI can serve as a useful indication of the quantity of particulate matter in water.

The SDI can be used to determine effectiveness of various processes such as filtration or... View More

scope:

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.

1.2 This test method is not applicable for reagent grade water Types I, II, and III of Specification D 1193, or effluents from most reverse osmosis and ultrafiltration systems.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Document History

January 1, 2014
Standard Test Method for Silt Density Index (SDI) of Water
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...
ASTM D4189-07
June 15, 2007
Standard Test Method for Silt Density Index (SDI) of Water
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...
May 15, 1995
Standard Test Method for Silt Density Index (SDI) of Water
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...
January 1, 1995
Standard Test Method for Silt Density Index (SDI) of Water
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...
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