Name of substance | Chemical symbol | Level of resistance at 20°C | Level of resistance at 60°C |
Liquid Substances | |||
Acetone | CH3COCH3 | C | C |
Acetonitrile | CH3CN | A | A |
Ammonia | NH3 | A | A |
Benzene | C6H6 | B | B |
Tar | mixture | C | C |
Dimethylformamide | HCON(CH3)2 | A | A |
Ethanol | CH3CH2OH | A | A |
Ethylbenzene | C6H5CH2CH3 | A | A |
Formaldehyde | HCHO | B | B |
Chlorine | CI | C | C |
Chloroform | CHCl3 | C | C |
Transformer oil | A | A | |
Hydrochloric acid | HCI | A | A |
Nitric acid | HNO3 | A | B |
Phosphoric acid | H3PO4 | A | B |
Formic acid | HCOOH | B | B |
Acetic acid | CH3COOH | A | B |
Sulphuric acid | H2SO4 | A | B |
Sulphurous acid | H2SO3 | A | B |
Methanol | CH3OH | A | A |
Mercury | Hg | A | A |
Hydrogen sulphide | H2S | A | B |
Styrene | C6H5-CH=CH2 | A | A |
Pentane | CH3CH2CH2CH2CH3 | A | A |
Toluene | C6H5CH3 | A | A |
Hydrogen peroxide | H2O2 | A | A |
Solid Substances | |||
Ammonium acetate | CH3COONH4 | A | A |
Borax | Na2[B4O5(OH)4]·8H2O | A | A |
Sugar | mixture | A | A |
Potassium cyanide | KCN | A | A |
Ammonium nitrate | NH4NO3 | A | A |
Calcium nitrate | Ca(NO3)2 | A | A |
Phenol | C6H5OH | B | B |
Ammonium phosphate | (NH4)3PO4 | A | A |
Potassium nitrate | KNO3 | A | A |
Potassium | KOH | A | A |
Sodium hydroxide | NaOH | A | A |
Ammonium chloride | NH4Cl | A | A |