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ISO 4176:1981

Fertilizers — Determination of nitrate nitrogen content — Nitron gravimetric method ISO 4176:1981

Publication date:   Apr 1, 1981

95.99   Withdrawal of Standard   Mar 6, 2007

General information

95.99   Withdrawal of Standard   Mar 6, 2007

ISO

ISO/TC 134 Fertilizers, soil conditioners and beneficial substances

International Standard

65.080   Fertilizers

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Scope

The method is suitable as a reference method and is applicable to all fertilizers. It consists in precipitating of nitrate ions in acid solution as a complex with nitron reagent, filtrating of the precipitate, drying and weighing.

Life cycle

NOW

WITHDRAWN
ISO 4176:1981
95.99 Withdrawal of Standard
Mar 6, 2007




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