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Scope

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 up to 10 000 mg/L of total dissolved solids.

1.2 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.

Keywords

CaCO₃ scale; Langelier saturation index; LSI; reverse osmosis; scaling; ICS Number Code 07.030 (Phys. Chemistry)

To find similar documents by ASTM Volume:

11.02 (Water (II))

To find similar documents by classification:

07.030 (Physics. Chemistry This group includes standards in the field of physics and chemistry as natural sciences Applied physics, see 17 Chemical technology, see 71)

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