Niobium Chemical Behavior |
Water |
Hot water < 150 °C |
Resistant |
Inorganic Acids |
Hydrochloric acid < 30 % up to 110 °C |
Resistant |
Sulfuric acid < 98 % up to 100 °C |
Resistant |
Nitric acid < 65 % up to 190 °C |
Resistant |
Hydrofluoric acid < 60 % |
Non-resistant |
Phosphoric acid < 85 % up to 90 °C |
Resistant |
Organic Acids |
Acetic acid < 100 % up to 100 °C |
Resistant |
Oxalic acid < 10 % |
Non-resistant |
Lactic acid < 85 % up to 150 °C |
Resistant |
Tartaric acid < 20 % up to 150 °C |
Resistant |
Lyes |
Sodium hydroxide < 5 % |
Non-resistant |
Potassium hydroxide < 5 % |
Non-resistant |
Ammonia solutions < 17 % up to 20 °C |
Resistant |
Sodium carbonate < 20 % up to 20 °C |
Resistant |
Saline Solutions |
Ammonium chloride < 150 °C |
Resistant |
Calcium chloride < 150 °C |
Resistant |
Ferric chloride < 150 °C |
Resistant |
Potassium chlorate < 150 °C |
Resistant |
Body fluids < 150 °C |
Resistant |
Magnesium sulfate < 150 °C |
Resistant |
Sodium nitrate < 150 °C |
Resistant |
Tin chloride < 150 °C |
Resistant |
Non-metals |
Fluorine |
Non-resistant |
Chlorine < 100 °C |
Resistant |
Bromine < 100 °C |
Resistant |
Iodine < 100 °C |
Resistant |
Sulfur < 100 °C |
Resistant |
Phosphorous < 100 °C |
Resistant |
Boron < 800 °C |
Resistant |