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prNS-EN 17721:2023

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Note: This standard has a new edition: NS-EN 17721:2024

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Abstract

This document specifies a method for laboratory measurement of the pH value in liquid microbial plant biostimulants, using pH electrodes with a glass membrane.Plant biostimulants other than microbial plant biostimulants are excluded from the scope of this document because there is no essential requirement in the Regulation [1] for measuring the pH of non-microbial plant biostimulants.

Document information

  • Standard from SN
  • Edition: 2023-04
  • Version: 1
  • Document type: NAT
  • ICS 65.080
  • National Committee CEN/TC 455

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