What Species Should Be Included in an RO Feed Water Analysis

21 What Species Should Be Included in an RO Feed Water Analysis  

The species listed in Table 17.1 are recommend for inclusion in an RO feed water analysis. These same species also can be included in permeate and concentrate analyses so that a mass balance can be conducted aroxmd the RO membranes. In some cases, filtered and total analyses of cations are useful but in other cases, a total analysis is sufficient. Typically, waters that include iron, manganese, fluoride, and silica benefit from both the total and filtered analyses. 

Cations Anions Alkalinity Other On-Site Tests 

Barium Fluoride Ccffbonate Non-Purgeable organic carbon (TOC) Silt Density Index 

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