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..................................             Materials of Construction


             Liquid              Conditions  of   Chemical   Specific   Material
                                 liquid          symbol     gravity   selection

             Acid, tannic                        C14H1009             A, 8, 9,  10,  11,
                                                                      14
             Acid, tartaric      Aqueous soln.   C4H606.              A, 8, 9,  10,  11,
                                                 H20                  14
             Alcohols                                                 A, B
             Alum                (see aluminum
                                 sulphate and
                                 potash alum)
             Aluminium sulphate   Aqueous soln.   AL2(SO4) 3          10,  11,  12,  14,
             Ammonia, aqua                       NH4OH                C
             Ammonium            Aqueous soln.   NH4HCO3              C
               bicarbonate
             Ammonium chloride   Aqueous soln.   NH4C1                9,  10,  11,  12,
                                                                      14
             Ammonium nitrate    Aqueous soln.   NH4NO3               C, 8, 9,  10,  11,
                                                                      14,
             Ammonium phosphate  Aqueous soln.   (NH4)2HPO4           C, 8, 9,  10, 11,
               dibasic                                                14
             Ammonium sulfate    Aqueous soln.   (NH4)2SO 4           C, 8, 9,  10, 11
             Aniline                             C6H7N      1.02      B, C
             Aniline hydrochloride   Aqueous soln.   C6HsNH2HC1       11,  12
             Asphalt             Hot                        0.98-  1.4  C, 5
             Barium chloride     Aqueous soln.   BaC12                C, 8, 9,  10, 11
             Barium nitrate      Aqueous soln.   Ba(NO3)2             C, 8, 9,  10,  11
             Beer                                                     A, 8
             Beer wort                                                A, 8
             Beet juice                                               a, 8
             Beet pulp                                                A, B, 8, 9,  10,
                                                                      11
             Benzene                             C6H 6      0.88
             Benzine             (see petroleum
                                 ether)
             Benzol              (see benzene)                        B, C,
             Bichloride          (see mercuric
               of mercury        chloride)
             Black liquor        (see liquor, pulp
                                 mill)
             Bleach solutions    ( see type)
             Blood                                                    A, B
             Brine
                (calcium chloride)   pH  > 8     CaC12                C
                ( calcium chloride)   pH  < 8                         A, 10,  11,  13,
                                                                      14

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