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ASTM D 3739 : 2006 : R2010

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

Standard Practice for Calculation and Adjustment of the Langelier Saturation Index for Reverse Osmosis (Withdrawn 2019)
Available format(s)

Hardcopy , PDF

Superseded date

01-14-2019

Language(s)

English

Published date

05-01-2010

CONTAINED IN VOL. 11.02, 2017 Explains the calculation and adjustment of the Langelier saturation index for the concentrate stream of a reverse osmosis device.

1.1 This practice covers the calculation and adjustment of the Langelier saturation index 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 xx 10 to 10 000 mg/L of total dissolved solids. For concentrate containing over 10 000 mg/L see Practice D4582.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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.

Committee
D 19
DocumentType
Standard Practice
Pages
4
ProductNote
Reconfirmed 2010
PublisherName
American Society for Testing and Materials
Status
Superseded
SupersededBy
Supersedes

ASTM D 4472 : 2008 : R2014 Standard Guide for Recordkeeping for Reverse Osmosis and Nanofiltration Systems (Withdrawn 2023)
ASTM D 4993 : 2008 : R2014 Standard Practice for Calculation and Adjustment of Silica (SiO<inf>2</inf>) Scaling for Reverse Osmosis (Withdrawn 2023)
ASTM D 6161 : 2019 Standard Terminology Used for Microfiltration, Ultrafiltration, Nanofiltration, and Reverse Osmosis Membrane Processes

ASTM D 1129 : 2013 : REDLINE Standard Terminology Relating to Water
ASTM D 511 : 2014 : REDLINE Standard Test Methods for Calcium and Magnesium In Water
ASTM D 1067 : 2016 : REDLINE Standard Test Methods for Acidity or Alkalinity of Water
ASTM D 1888 : 1978 Methods of Test for Particulate and Dissolved Matter in Water (Withdrawn 1989)

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