T/HNNMIA 3-2024 Active Group standards

T/HNNMIA 3-2024 Determination of arsenic and mercury content in soil and sediment using atomic fluorescence spectroscopy

T/HNNMIA 3-2024 Determination of arsenic and mercury content in soil and sediment using atomic fluorescence spectroscopy

Publish Date: 2024-09-06 Implement Date: 2024-09-07 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us
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Basic Information

Standard Code: T/HNNMIA 3-2024
Standard Type: Group standards
Standard Status: Active
is_force_gb: no
CCS Name: -
ICS Name: Comprehensive soil testing
Publish Date: 2024-09-06
Implement Date: 2024-09-07

Scope

Main technical content: This document describes the method for determining the arsenic and mercury content in soil and sediments by atomic fluorescence spectrometry. This document is suitable for the determination of arsenic and mercury content in soil and sediment samples. The determination range for As (mass fraction): 0.020 μg/g to 15.0 μg/g, Hg (mass fraction): 0.0032 μg/g to 0.150 μg/g; the method detection limit for As: 0.005 μg/g, Hg: 0.0008 μg/g. Table 1 Precision units: g/g Element precision test level m Repeatability r Reproducibility R As 0.89~14.1 r = 0.0672 m + 0.0749 R = 0.0822 m + 0.0028 Hg 0.016~0.092 r = 0.1239 m + 0.0007 R = 0.00893 m + 0.0039

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