Số hiệu tiêu chuẩn
ISO 4321
Tên tiêu chuẩn
Washing powders; Determination of active oxygen content; Titrimetric method
Ngày phát hành
1977-09-00
Tiêu chuẩn tương đương
DIN ISO 4321 (1982-04), IDT * DIN ISO 4321 (1980-11), IDT * BS 3762-3.17 (1983-12-30), IDT * NF T73-703 (1977-10-01), IDT * JIS K 3362 (1998-09-20), MOD * PN-C-04816 (1992-03-31), IDT * UNE 55546 (1979-12-15), NEQ * TS 5844 (1988-04-30), IDT * NBN T 63-137 (1980), IDT * NEN-ISO 4321 (1983), IDT * NP-1648 (1980), IDT * CSN 68 1156 (1994-11-01), NEQ * NEN-ISO 4321:1983 en (1983-02-01), IDT
Từ khóa
Chemical analysis and testing * Determination of content * Oxygen * Potassium permanganate * Products * Surfactants * Testing * Volumetric analysis * Washing powders * Measurement of volume * Peroxyhydrate * Sodium perborate * Content * Titrimetry * Reagents