|
110 Second Avenue S'M6,#D7,Pacheco,CA 94553
<br /> McCAMPBELL ANALYTICAL INC. Telephone: 510-798-1620 Fax:510-798-1622
<br /> http://www.mccampbell.com E-mail:main@mccampbell.com
<br /> ANALYTICAL DATA
<br /> INITIAL&FINAL
<br /> MEDIAL ANALYTICAL DATA
<br /> POST-REACTION ANALYTICAL DATA
<br /> REACTIONS
<br /> The following oxidation,acid-base, sorption&cation exchange reactions may be relevant. The",aq"phase descriptor is
<br /> omitted for all charged species.
<br /> 1)General Reactions
<br /> a)CH2,aq/sorbed+ 03,aq/g=CO2iaq/g+H2O,1,where CH2 represents an organic compound.
<br /> b)CO2iaq/g+H20,1=HCO3-+H+
<br /> c)HCO3'=CO3-2+H+
<br /> d)(Fe,Cd,Co,Cu,Ni,Zn,Hg)S2,s+7/3 03+H2O=(Fe,Cd,Co,Cu,Ni,Zn,Hg)+2+2SO4 z+211+
<br /> e)FeMnSilicate+(Ca,Mg)+2+2(Na,K)++0.503+ 1.5H2O=(Ca,Mg)(Na,K)2Silicate+ FeOH+2+Mn02,s+2H+
<br /> f)FeOH+2+21120=Fe(OH)3,s+2H+
<br /> 2)Base-generating/Acid-consuming reactions
<br /> a)HCO3-=COZ,g T+OH-
<br /> b)(Fe,Mn)OH++CaCO3,S=(Fe,Mn)CO3,S+Ca+2+OH-
<br /> c)(Cd,Co,Cu,Ni,Zn,Hg)OH++CaCO3,S=(Cd,Co,Cu,Ni,Zn,Hg)CO3,s+Ca+2+OH-
<br /> 3)Trace Element Consuming Reactions
<br /> a)(Cd,Co,Cu,Ni,Zn,Hg)OH++CaCO3,S=(Cd,Co,Cu,Ni,Zn,Hg)CO3,S+Ca+2+OH-
<br /> b)FeMnSilicate,s+2(Cd,Co,Cu,Ni,Zn,Hg)OH++0.503,g/aq=(Cd,Co,Cu,Ni,Zn,H9)2Silicate,s+FeOH+2+Mn02is+
<br /> 0.5H2O,1
<br /> c)(Cd,Co,Cu,Ni,Zn,Hg)OH++Fe+2+Mn+2+0.503,g/aq+2.5 H2O,1=(Cd,Co,Cu,Ni,Zn,Hg,etc)+2 sorbed:Fe(OH)3,s/
<br /> Mn02,s+3H+
<br /> 4)Trace Element Element SolubilizingReactions
<br /> a)Se°,s+2/3 03,g/aq +H2O=HSe03-+H+
<br /> b)MoO2is+ 1/3 03,g/aq+H2O,1=M004-2+2H+
<br /> 5)HexachromeHexachrome Generating
<br /> a)2FeCr204,s(chromite)+203+0.502+3H2O,1=2FeOH+2+4Cr04 2+4H+
<br /> b)CrSilicate,s+FeOH+2+0.503,g/aq+ 1.51120=FeSilicate,s+4H++Cr04 2+
<br />
|