Soil improvers and growing media. Extraction of calcium chloride/DTPA (CAT) soluble elementsWhat is BS EN 13651 Extraction of calcium chloride in soil improvers and growing media about? BS EN 13651 is a standard that serves technical specifications for the extraction of calcium chloride in soil improvers and growing media, enabling the identification and detection of nutrients in soil improvers and growing media. BS EN 13651 specifies an extraction method for the routine determination of calcium chloride DTPA (CAT method) extractable

An example of how to use this document is given in Annex A

BS EN 61235 provides manufacturers with the technical characteristics

Other reference tests can be used to assess the damage caused by this test

BS EN 61558-2-26 deals with the safety of transformers

based on either one or two random samples of items from the lot

while maintaining interoperability and reuse within ITS

05 to 5 % (m/m)

It provides guidance on the most commonly used methods of mapping and/or modelling – prescriptive

such as illumination equipment are not deemed to be IR application systems

The values for the three methods are not comparable because of the differences in specimen configuration and size

This document does not apply to fractions of carbon material prepared by sieving and crushing or to filter fines

as specified here