
Hygienic determination method of sulfur dioxide in air of residential areas--Tetrachloromercurate (TCM)-pararosaniline spectrophotometric method
NORMA vydána dne 23.2.1988
Designation standards: GB/T 8913-1988
Note: NEPLATNÁ
Publication date standards: 23.2.1988
Country: Chinese technical standard
Kategorie: Technické normy GB