Published
ISO/TS 14256-1:2003 describes a method for the determination of nitrate, nitrite and ammonium in a 1 mol/l potassium chloride extract of field-moist soil samples.
ISO/TS 14256-1:2003 is applicable to all types of soils homogenized by suitable methods.
PUBLISHED
ISO/TS 14256-1:2003
90.20
Standard under periodical review
Jan 15, 2023
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