Meanings of h3aso4 in English

The precipitate will contain the phosphorus, together with any arsenic acid not reduced by the sulphuretted hydrogen.

It was first made from aniline by the agency of mercurial salts, and afterward by that form of arsenic known to chemists as arsenic acid.

After oxidizing the arsenic in 0.5000 gram of pure As_{2}S_{3} to arsenic acid, it is precipitated with "magnesia mixture" (MgCl_{2} + 2NH_{4}Cl).