
Standard method for hygienic examination of sulfur dioxide in air of residential areas—Formaldehyde solution sampling-pararosaniline hydrocloride spectrophotometric method
NORMA vydána dne 21.12.1995
Designation standards: GB/T 16128-1995
Note: NEPLATNÁ
Publication date standards: 21.12.1995
Country: Chinese technical standard
Kategorie: Technické normy GB