Recommended practice for chromatographic measurement of concentrations of sodium salt of methoxyacetic acid in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for photometric measurement of concentrations of neomycin in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for photometric measurement of concentrations of niobium and its compounds in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for ion-chromatographic measurement of concentrations of nitrogen oxides, nitric acid, sulfuric acid, sulfur dioxide, hydrogen chloride, hydrogen fluoride, phosphoric acid, ammonia in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for spectrophotometric measurement of concentrations of 3-hydroxy-3-cyan-quinuclidine in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for extraction-photometric measurement of concentrations of 1-(beta-oxyethyl)-2-alkyl-2- imidazolin in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for photometric measurement of concentrations of polyvinyl alcohol in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for the measurement of concentrations of poly - and monosaccharides (glucozamin-hydrochloride, chitosan, chitin) in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for extraction-photometric measurement of concentrations of 1-(beta-oxyethyl)-2-heptadecyl-2-imidazoline and 1,1-bis-(beta-oxyethyl)-2-heptadecyl-2-imidazoline chloride in the air of the working zone

Norma vydána dne 10.10.1991

Recommended practice for photometric measurement of concentrations of polymineral potassium ore in the air of the working zone

Norma vydána dne 10.10.1991