T/GRM 045-2022
Determination of Uranium content and high-precision isotope ratio (238U/235U) in carbonates by multi-collector inductively coupled plasma mass spectrometry (English Version)

Standard No.

T/GRM 045-2022

Language

Chinese, Available in English version

Release Date

2022

Published By

Group Standards of the People's Republic of China

Latest

T/GRM 045-2022

Scope

1 Method principle and process 1.1 Principle 1.2 Analysis process 2 Instruments, equipment and reagent materials 2.1 Instruments and equipment 2.2 Reagents and materials 3 Test steps 3.1 Powder sample collection 3.2 Sample chemical treatment 3.3 Preparation of blank solution 3.4 Isotope determination 3.5 Calibration 3.6 Parallel test 4 Precision 4.1 Repeatability 4.2 Reproducibility 4.3 allows a difference of 5 test reports.

T/GRM 045-2022 history

• 2022 T/GRM 045-2022 Determination of Uranium content and high-precision isotope ratio (238U/235U) in carbonates by multi-collector inductively coupled plasma mass spectrometry