Is there a method for silt density index (SDI)?

Document ID

Document ID TE1248

Published Date

Published Date 08/28/2018
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Question
Is there a method for silt density index (SDI)?
Summary
Silt density index (SDI) method
Answer
Hach has an older method for SDI, attached.  Typically, turbidity is considered a better test for determining the suitability of a water source for Reverse Osmosis (RO) feed water, however prior to current turbidity technology this procedure was used to determine suitability.
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