New Reduced price! BS EN ISO 20227 : 2017 View larger

BS EN ISO 20227 : 2017

M00020553

New product

BS EN ISO 20227 : 2017

WATER QUALITY - DETERMINATION OF THE GROWTH INHIBITION EFFECTS OF WASTE WATERS, NATURAL WATERS AND CHEMICALS ON THE DUCKWEED SPIRODELA POLYRHIZA - METHOD USING A STOCK CULTURE INDEPENDENT MICROBIOTEST (ISO 20227:2017)

British Standards Institution

More details

In stock

$35.10

-55%

$78.00

More info

Table of Contents

Foreword<br>Introduction<br>1 Scope<br>2 Normative references<br>3 Terms and definitions<br>4 Principle<br>5 Test organisms<br>6 Growth medium<br>7 Apparatus<br>8 Reference chemicals<br>9 Procedure<br>10 Data treatment - Calculation of the growth inhibition<br>11 Validity criterion<br>12 Test sensitivity<br>13 Test with reference chemicals<br>14 Test report<br>Annex A (informative) - Spirodela polyrhiza stock<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;culturing for turion production<br>Annex B (informative) - Sensitivity of the Spirodela<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;polyrhiza microbiotest<br>Annex C (informative) - Performance data<br>Bibliography

Abstract

Describes a method for the determination of the inhibition of the growth of the first fronds of Spirodela polyrhiza germinated from turions, by substances and mixtures contained in water or waste water, including treated municipal waste water and industrial effluents.

General Product Information

Document Type Standard
Status Current
Publisher British Standards Institution
Committee EH/3/5
Supersedes
  • 16/30331690 DC : 0