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Standard
ISO 11277
Third edition
Soil quality — Determination of
2020-04
particle size distribution in mineral
soil material — Method by sieving
AMENDMENT 1
and sedimentation
2024-06
AMENDMENT 1
Qualité du sol — Détermination de la répartition
granulométrique de la matière minérale des sols — Méthode par
tamisage et sédimentation
AMENDEMENT 1
Reference number
ISO 11277:2020/Amd.1:2024(en) © ISO 2024
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ISO 11277:2020/Amd.1:2024(en)
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© ISO 2024
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© ISO 2024 – All rights reserved
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ISO 11277:2020/Amd.1:2024(en)
Foreword
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This document was prepared by Technical Committee ISO/TC 190, Soil quality, Subcommittee SC 3, Chemical
and physical characterization.
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© ISO 2024 – All rights reserved
iii
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ISO 11277:2020/Amd.1:2024(en)
Soil quality — Determination of particle size distribution in
mineral soil material — Method by sieving and sedimentation
AMENDMENT 1
8.2.5
Replace the text with the following:
Ultrasonic bath, able to provide an acoustic power P (W) level in the range of 5 W to 20 W per litre of
ac
water (see Annex D), typically operating at a frequency between 37 kHz to 45 kHz.
Figure 2
Replace Figure 2 with the following:
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ISO 11277:2020/Amd.1:2024(en)
Figure 3
Add the following to the key:
3 sideways opening
9.6.1, first paragraph
© ISO 2024 – All rights reserved
2
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ISO 11277:2020/Amd.1:2024(en)
Replace the paragraph with the following:
The organic substances shall be removed. Only for the determination of ecologically relevant particle
size distribution the destruction of organic matter is not necessary (see NOTE).
9.6.1, first paragraph after the NOTE
Replace the paragraph with the following:
Destroy the organic matter with hydrogen peroxide solution as described below.
9.6.2
Add
...