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  1. cheme6540

    high pH in RO water

    Recently experiencing high pH in plant RO water system. Normally pH runs 6.5-6.8 range, for past several weeks around 9-9.2. Conductivity normal, about 15 microS/cm. We also test for Cl and NO3, those both normal as well. Any thoughts on what would be causing pH to go high?
  2. cheme6540

    Critical Properties of Dibenzothiophene

    Anyone have a suggestion on where to find critical properties (Tc, Pc, Vc, Zc) and acentric factor for dibenzothiophene (C12H8S, CAS # 132-65-0)? Already tried NIST, Perry's, CRC Handbook, Lange's, Knovel, Yaws, as well as a general internet search. Don't have access to DIPPR.

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