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GB/T 34826-2017: Method of performance testing for quadrupole inductively coupled plasma mass spectrometer
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GB/T 34826-2017: Method of performance testing for quadrupole inductively coupled plasma mass spectrometer

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Method of performance testing for quadrupole inductively coupled plasma mass spectrometer ICS 71.040.30 N54 National Standards of People's Republic of China Quadrupole inductively coupled plasma mass spectrometer Determination of performance Posted.2017-11-01 2018-05-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the Ministry of Science and Technology of the People's Republic of China. This standard by the National Instrument Analysis and Testing Standardization Technical Committee (SAC/TC481) centralized. This standard drafting unit. China Institute of Metrology, Beijing Mining and Metallurgical Research Institute, Institute of Iron and Steel Research Institute of Earth Environment, Chinese Academy of Sciences Institute. The main drafters of this standard. 逯 sea, Wang Jun, Dai Xinhua, Wei Chao, Feng advanced, Yu Xing, He Mao Yong. Quadrupole inductively coupled plasma mass spectrometer Determination of performance

1 Scope

This standard specifies the performance of quadrupole ICP-MS spectrometry method. This standard applies to quadrupole ICP-MS spectrometer performance measurement.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB/T 6041 General rules of mass spectrometry GB/T 6682 analytical laboratory water specifications and test methods GB/T 32267 analytical instruments performance measurement terminology JJF1159 Quadrupole ICP-MS Calibration Specification

3 Terms and definitions

GB/T 6041, GB/T 32267, JJF1159 defined and the following terms and definitions apply to this document. 3.1 Abundance sensitivity abundancesensitivity The degree of influence of a strong ion peak of a certain mass number M on the weak peak at the adjacent mass number M 1 (or M-1) is characterized. expression Is the signal intensity ratio of M 1 (or M-1) to M. 3.2 Double charge ion yield doublychargedionyield The ratio of the number of double-charged ions to the single-charged ions of a certain element when they are ionized in the plasma is expressed as M2/M Said. 3.3 Oxide ion production oxideionyield The ratio of the ratio of the oxide ions produced by an atom of an element in the plasma to the singly charged ion of the element is expressed as MO/M Said.

4 Reagents and standards

When using reagents and standards, dilute to the specified concentration as required. Unless otherwise specified, dilute with 2% nitric acid. Standard Pipettes, volumetric flasks and balances for quality dilution require valid metrological verification or calibration certificates. 4.1 water, a water GB/T 6682 regulations. 4.2 Sodium chloride (NaCl), Spectral purity. 4.3 methanol (CH3OH), chromatographic purity. ...