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ÖNORM EN 13037:2000-03

Заменен
Soil improvers and growing media - Determination of pH
This European Standard specifies an instrumental method for the routine determination of pH in a Suspension of soll improvers or growing media.
NOTE 1 The method is not applicable to liming materials or sewage sludges and is not suitable for materials Ilke rockwool and foam siabs.
NOTE 2 The requirements of the standard may differ from the national legal requirements for the declaration of the products concemed.
Diese Europäische Norm legt ein instrumentelles Verfahren zur routinemäßigen Bestimmung des pH-Wertes in einer Suspension us Bodenverbesserungsmitteln oder Kultursubstraten fest.
ICS
65.080 Fertilizers. Including soil conditioners and culture medium / Удобрения. Включая структурообразователи почвы и питательную среду