ASTM D 4582 : 1991 : R2001
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Practice for Calculation and Adjustment of the Stiff and Davis Stability Index for Reverse Osmosis
Hardcopy , PDF
11-11-2014
English
06-28-1991
Important note : All end users must be registered with an Account prior to user licenses being assigned.| Committee |
D 19
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| DocumentType |
Standard Practice
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| Pages |
4
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| ProductNote |
Reconfirmed 2001
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy | |
| Supersedes |
1.1 This practice covers the calculation and adjustment of the Stiff and Davis Stability Index (S & DSI) for the concentrate stream of a reverse osmosis device. This index is used to determine the need for calcium carbonate scale control in the operation and design of reverse osmosis installations. This practice is applicable for concentrate streams containing more than 10 000 mg/L of total dissolved solids. For concentrate streams containing less than 10 000 mg/L of total dissolved solids, refer to Practice D3739.
1.2 This standard does not purport to address the safety problems, 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.
| ASTM D 4472 : 2008 : R2014 | Standard Guide for Recordkeeping for Reverse Osmosis and Nanofiltration Systems (Withdrawn 2023) |
| ASTM D 3739 : 2019 | Standard Practice for Calculation and Adjustment of the Langelier Saturation Index for Reverse Osmosis |
| ASTM D 6161 : 2019 | Standard Terminology Used for Microfiltration, Ultrafiltration, Nanofiltration, and Reverse Osmosis Membrane Processes |
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