strong acid en Alemán
Though not a very strong acid, it is much stronger than the acetic acid found in vinegar.
3.Methods of analysis Analysis for heavy metals must be carried out following strong acid digestion.
Because of strong acid of etchants, non-fluoro surfactant is not stable in etchants, thus it is not applicable for this process.
If these mother liquors are associated with weak acid wastes which overall contain more than 0,5 % free sulphuric acid and various heavy metals (3), the liquors and waste taken together shall be considered strong acid waste,
It is stable in alkalis and acids, but it rearranges to less insecticidally active substances in the presence of strong acids, on exposure to sunlight or on heating above 200ºC.
It's congruent with a strong acid.
The dumping of any solid waste, strong acid waste, treatment waste, weak acid waste, or neutralized waste, as referred to in Article 2 shall be prohibited with effect from 15 June 1993.
The HPLC method is not applicable to strong acids and bases, metal complexes, surface-active materials or substances which react with the eluent.
the substance is a strong acid (pH = 11,5), or
the substance is a strong acid (pH 11,5)