KROHNE OPTIMASS Sensors Corrosion guidelines EN - Manual (Page 7)

7 Corrosion Guide Rev 1.05 Jan 2006
Fluid Chem. Formula Concentration
Stainless Steel
Max o F/ o C
Hastelloy C-22
Max o F/ o C
Titanium
Max o F/ o C
Calcium Hydroxide Ca(OH)2 50% X 212/100 171/77
Calcium Hypochlorite Ca(Ocl)2 15% X 122/50 221/105
Calcium Hypochlorite Ca(Ocl)2 95% X X 221/105
Calcium Sulphate CaSO4 10% nd X nd
Calcium Sulphate CaSO4 100% X nd 140/60
Calcium Hypochlorite CaCl2+6H2O 15% X 122/50 221/105
Calcium Hypochlorite CaCl2+6H2O 95% X X 221/105
Carbon Tetrachloride
(anhydrous)
dry CCl4 100% 140/60 140/60 248/120
Carbonic Acid Saturated X
Chlorine (anhydrous) dry Cl2 any X X X
Chlorine (aqueous) Cl2 + water any X X X
Chloroacetic Acid CH2CICOOH 85% X X 221/105
Chloroform CHCl3 100% 80/27 80/21 221/105
Chlorosulphonic Acid HCISO3 100% X 185/85 X
Chromic Acid H8CrO5 25% X 167/75 221/105
Chromic Acid H8CrO5 50% X 75/24 221/105
Chromic Acid H8CrO5 100% X X 221/105
Citric Acid C6H8O7 25% X 221/105 212/100
Citric Acid C6H8O7 60% X 221/105 X
Copper Nitrate Cu(NO3)2 100% 280/138 X 77/25
Copper Sulphate CuSO4 100% X X 221/105
Cupric Chloride CuCl2 any X X X
Cupric Cyanide CuCN 100% X X 77/25
Cuprous Chloride CuCl 55% nd nd 194/90
Dichloroacetic Acid CHCl2COOH any nd nd X
Diethyl Phthalate C12H14O4 100% 221/105 nd 221/105
Ethyl Alcohol (Ethanol) C2H5OH 100% 221/105 221/105 221/105
Ethylene gas C2H4 100%
Ethylene dichloride
(anhydrous)
dry C2H2Cl2 100% X 221/105 221/105
Ethyl Acetate CH3 COOC2H5 100% 320/160 320/160 221/105
Ferric Chloride FeCl3 100% X X 248/120
Ferric Hydroxide Fe(OH)3 6% 70/21 80/27 68/20
Ferric Hydroxide Fe(OH)3 100% 70/21 80/27 nd
Ferric Sulphate Fe2(SO4)3 15% 221/105 104/40 221/105
Ferric Sulphate Fe2(SO4)3 35% X 104/40 221/105
Ferric Sulphate Fe2(SO4)3 100% X X 221/105
Ferrous Sulphate FeSO4 100% X X 248/120
Fluoboric Acid HBF4 30% 80/27 200/93 X
Fluorine (anhydrous) dry F any X X X
Fluosilicic Acid H2SiF6 any X X X
Formaldehyde CH2O 100% 221/105 X 221/105
Formic Acid (aerated) HCOO4 50% X 221/105 221/105
Formic Acid (non-aerated) HCOO4 85% X 221/105 X
Heptane C6H12 100% 221/105 221/105 221/105
Hydrazine (NH2)2 100%
Hydrobromic Acid HBO3 100% X 140/60 X
Hydrochloric Acid HCL + water any X X X
Hydrofluoric Acid HF + water any X X X
Hydrogen gas H
Hydrogen Chloride gas HCL any X X X
Hydrogen Cyanide NCN 100% 88/31 88/31 88/31
Hydrogen Fluoride gas HF any X X X
Hydrogen Peroxide H2O2 50% 194/90 194/90 X
Hydrogen Peroxide H2O2 90% 118/48 118/48 X
Iodine Liquid I2 100% X 77/25
= Compatible X = Not Compatible nd = No Data Available