Fruits, vegetables and derived products — Decomposition of organic matter prior to analysis — Wet method
NORMA vydána dne 1.2.1979
Označení normy: ISO 5515:1979
Datum vydání normy: 1.2.1979
Počet stran: 3
Přibližná hmotnost: 9 g (0.02 liber)
Země: Mezinárodní technická norma
Kategorie: Technické normy ISO
Description / Abstract: The method consists in heating a test portion until all organic matter is decomposed and a clear solution is obtained, either with sulphuric acid and nitric acid and in certain cases with hydrogen peroxide, or with sulphuric acid and nitric acid with the addition of perchloric acid.