KROHNE OPTIMASS Sensors Corrosion guidelines EN - Manual (Page 13)

13 Corrosion Guide Rev 1.05 Jan 2006
Chem. Formula Fluid Concentration
Stainless Steel
Max o F/ o C
Hastelloy C-22
Max o F/ o C
Titanium
Max o F/ o C
Sodium Dichromate 100% X 80/27 77/25
Na2S Sodium Sulphide 50% X 212/100 X
Na2SiO3 Sodium Silicate 100% 212/100 212/100 212/100
Na2SO4 Sodium Sulphate 20% 212/100 212/100 X
NaCI Sodium Chloride 100% X 212/100 212/100
NaCIO3 Sodium Chlorate 100% X 302/150 302/150
NaCN Sodium Cyanide 50% 77/25 nd 266/130
NaHSO4 Sodium Bisulphate 20% X X 85/30
NaI Sodium Iodide 65% X nd 212/100
NaNO2 Sodium Nitrite 50% 212/100 212/100 266/130
NaNO3 Sodium Nitrate 60% 233/112 233/112 248/120
NaNO3 Sodium Nitrate 100% X X 248/120
NaOCl Sodium Hypochlorite any X X X
NaOH Sodium Hydroxide 45% X 0/40 0/55
NaOH Sodium Hydroxide 75% X 0/40 X
NaPO3
Mono Sodium
Orthophosphate in water
200 millimoles nd nd O86/30
NaPO4 Sodium Phosphate 15% X 212/100 212/100
NaSO3 Sodium Sulphite 25% 212/100 212/100 212/100
NaSO3 Sodium Sulphite 50% nd nd 212/100
NCN Hydrogen Cyanide 100% 88/31 88/31 88/31
NH2 SO2 OH Sulphamic Acid any X nd X
NH3 + water Ammonia (aqueous) 30% 158/70 158/70 X
NH3 + water Ammonia (aqueous) 50% 86/30 302/150 X
NH3 dry Ammonia (anhydrous) always 100% 248/120 248/120 77/25
NH4CH3COO Ammonium Acetate 15% 220/105 220/105 77/25
NH4CH3COO Ammonium Acetate 55% 170/77 nd nd
NH4Cl Ammonium Chloride 40% X 221/105 221/105
NH4ClO4 Ammonium Perchlorate 20% 170/77 X 285/140
NH4F Ammonium Fluoride 25% X 170/77 nd
NH4HCO3 Ammonium Bicarbonate 50% X nd 212/100
NH4NO3 Ammonium Nitrate 28% 280/137 80/27
NH4OH Ammonium Hydroxide 45% X X 170/77
Ni(NO3)2 Nickel Nitrate 50% X 77/25
NiCl2 Nickel Chloride 100% X 194/90 194/90
O2 Oxygen rich gas mixture > 35% X
S Sulphur (molten) 100%
SnCl2 Stannic Chloride any X X X
SO2Cl2 Thionyl Chloride 100% X nd 104/40
ZnCL2 Zinc Chloride 75% X 212/100
ZnCL2 Zinc Chloride 100% X X
ZnSO4 Zinc Sulphate 35% X 212/100 212/100
= Compatible X = Not Compatible nd = No Data Available
If you do not find the required fluid in the table, please contact your nearest sales office.