GB/T 33864-2017 in English
VALIDGeneral specification for mass spectrometers
- Issued on:2017-07-12
- Implemented on:2018-02-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
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《GB/T 33864-2017质谱仪通用规范》由TC124(全国工业过程测量控制和自动化标准化技术委员会)归口,TC124SC6(全国工业过程测量控制和自动化标准化技术委员会分析仪器分会)执行,主管部门为中国机械工业联合会。
Introduction
GB/T 33864—2017 General Specification for Mass Spectrometer: In-depth Interpretation
Background of Standard Formulation and Analysis of Technology Evolution
As an important tool for qualitative and quantitative analysis of substances, mass spectrometer plays an irreplaceable role in scientific research and industrial applications. The formulation of GB/T 33864—2017 General Specification for Mass Spectrometer aims to unify the technical requirements, test methods and inspection rules of mass spectrometers to ensure the consistency of product quality and performance.
With the development of mass spectrometry technology, the application scenarios of mass spectrometers are constantly expanding. From laboratory analysis to industrial process control, to mobile detection, the demand for mass spectrometers is showing a diversified trend. This standard fully considers the technical requirements in different usage environments and reflects the importance of standardization work.
Comparison of mass spectrometer classification and standard framework
| Classification dimension | Laboratory mass spectrometer | Process mass spectrometer | Mobile mass spectrometer |
|---|---|---|---|
| Mass accuracy | ±0.2u | ±0.3u | ±0.3u |
| Mass stability | ±0.2u/8h | ±0.3u/24h | ±0.3u/4h |
| Applicable environment | Laboratory environment, strict temperature and humidity control | Fixed on-site monitoring | Mobile detection, adapt to complex environments |
Mass spectrometer performance requirements and test method interpretation
According to GB/T 33864-2017, the performance requirements of mass spectrometers include key indicators such as mass range, mass accuracy, and mass stability. The following are specific requirements:
Case study: practical application of mass spectrometer detection limit
Taking a laboratory mass spectrometer as an example, when the signal-to-noise ratio is not less than 3:1, the detection limit should meet the minimum value requirement. Through actual test data (as shown in the figure), verify whether its performance indicators meet the standards.
Implementation Recommendations and Precautions
- Purchase Recommendations:Choose the appropriate type of mass spectrometer (laboratory/process/mobile) according to the application scenario. Focus on core indicators such as mass accuracy and stability.
- Installation and Maintenance:Installation and commissioning must be carried out in strict accordance with standard requirements, and the equipment must be calibrated and maintained regularly to ensure long-term stable operation.
- Safety Precautions:Pay special attention to safety requirements such as protective grounding and dielectric strength to ensure the safety of the instrument during use.

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