GB/T 37984-2019 in English

VALID

Nanotechnologies—Raman shift correction value for spectrometer calibration

Issued on:2019-08-30
Implemented on:2020-03-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $220.00
$214.00

Standard No:	GB/T 37984-2019
Document status:	VALID
Title in English:	Nanotechnologies—Raman shift correction value for spectrometer calibration
Title in Chinese:	纳米技术用于拉曼光谱校准的频移校正值
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2019-08-30
Implemented on:	2020-03-01
ICS Classification:	17.180.30-Optical measuring instruments
Chinese Classification:	N35-Optical testing instrument
Professional Classification:	GB-National Standard
Related Keywords:	nanotechnologies raman shift correction value dispersive raman spectrometers calibration requirements frequency shift calibration raman spectroscopy calibration using nanotechnology correction value
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《GB/T 37984-2019纳米技术用于拉曼光谱校准的频移校正值》由TC279（全国纳米技术标准化技术委员会）归口，主管部门为中国科学院。

Introduction

1. Standard Overview

GB/T 37984—2019 Frequency Shift Correction Values for Raman Spectroscopy Calibration Using Nanotechnology was issued by the State Administration for Market Regulation and the Standardization Administration of China, aiming to standardize the calibration method of Raman spectrometers. This standard is applicable to dispersive Raman spectrometers using continuous laser as the excitation light source, with a special focus on frequency shift calibration in high energy resolution detection.

2. Background of Standard Formulation

With the widespread application of nanomaterial characterization, the importance of Raman spectroscopy in scientific research and industry has become increasingly prominent. However, the precise measurement of Raman frequency shift is affected by many factors, including instrument stability, environmental fluctuations, and light source characteristics. To ensure the reliability of the calibration results, this standard introduces an absolute wavenumber reference value based on a low-pressure atomic line lamp.

3. Comparison of standard frameworks

Dimensions	GB/T 37984—2019	JJF 1544-2016 Calibration Specification for Raman Spectrometers	ASTM E 1840-96(2014)
Scope of application	Daily calibration of dispersive Raman spectrometers	Calibration requirements for all types of Raman spectrometers	Universal wavenumber standard reference method
Core parameters	Frequency shift correction value, absolute wavenumber measurement value	Relative wavenumber deviation, energy resolution	Spectral line peak position standard value
Reference light source	Low pressure atomic line lamp (such as argon lamp, mercury lamp)	Similar gas discharge light source	Neon Lamp

4. Analysis of calibration method

Case study: Calibration process of using hydrogen-argon mixed low pressure atomic line lamp

Renishaw inVia Raman spectrometer equipped with 1200 l/mm grating, 5× objective lens and 10 μm slit width.
Calibration wavenumber range: 11850 cm⁻¹ to 12520 cm⁻¹, corresponding to wavelengths of 799 nm to 844 nm.
Select three spectral lines with higher intensity (such as 11893.14 cm⁻¹, 11936.58 cm⁻¹ and 12322.39 cm⁻¹ of argon lamp), perform six repeated measurements and calculate the average value and correction value.

5. Implementation Recommendations

To ensure the validity and consistency of the calibration results, it is recommended to:

Regularly check the hardware status and software settings of the Raman spectrometer.
Use a metrologically certified low-pressure atomic line lamp and ensure that the standard values of its emission lines are accurate.
In high energy resolution detection, it is recommended to use the same static spectral window for calibration and testing.
Record complete calibration data and environmental conditions (such as temperature and humidity) for traceability and analysis.

More samples: GB 50021-2001(2009) NB/T 47013.2-2015 JGJ 94-2008

Sample only — not a preview of GB/T 37984-2019

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