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GB/T 37969-2019: Standard guidelines for near infrared qualitative analysis
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Standard guidelines for near infrared qualitative analysis
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GB/T 37969-2019
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Basic data | Standard ID | GB/T 37969-2019 (GB/T37969-2019) | | Description (Translated English) | Standard guidelines for near infrared qualitative analysis | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N30 | | Classification of International Standard | 71.040.99 | | Word Count Estimation | 30,375 | | Date of Issue | 2019-08-30 | | Date of Implementation | 2020-03-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 37969-2019: Standard guidelines for near infrared qualitative analysis---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Standard guidelines for near infrared qualitative analysis
ICS 71.040.99
N30
National Standards of People's Republic of China
General rules for qualitative analysis of near infrared spectroscopy
Published on.2019-08-30
2020-03-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Principles and methods 2
5 Chemometrics Software 3
6 instruments and equipment 3
7 Spectral measurement 3
8 sample 3
9 Near-infrared spectroscopy qualitative analysis test step 4
10 Spectral data preprocessing 5
11 spectral feature variable selection 6
Establishment of a 12-class model 6
Validation of the 13-class model 6
Application of 14 types of models 7
Maintenance of Class 15 Models 7
16 Test report 7
17 Test Quality Assurance Requirements 8
18 Common types of errors, sources and solutions 8
Model 19 Model Establishment and Verification Example 8
Appendix A (informative) Introduction to common methods for pattern recognition in near-infrared spectrum
Appendix B (informative) F Distribution Threshold Table 18
Appendix C (informative) Common types of errors, sources and solutions 20
Appendix D (informative appendix) Based on the near-infrared spectroscopy PLS-DA method to identify three similar examples of similar drugs 21
Appendix E (informative) Near-infrared transmission spectroscopy for gasoline quality classification SIMCA method example 24
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard was proposed by the Ministry of Science and Technology of the People's Republic
This standard is under the jurisdiction of the National Instrument Analysis and Testing Standardization Technical Committee (SAC/TC481).
This standard was drafted. Shanghai Tobacco Group Beijing Cigarette Factory, Beijing University of Chemical Technology, Nankai University, Petrochemical Science Research Institute, China
Food and Drug Testing Institute, China Academy of Inspection and Quarantine, Military Academy of Sciences Evaluation and Research Center, Beijing Academy of Agriculture and Forestry Sciences, China
National Agricultural University, China Institute of Metrology, China National Inspection Institute (Beijing) Technology Co., Ltd., Yunnan China Tobacco Industry Co., Ltd., Yunnan Tong
Chuang Testing Technology Co., Ltd., West Pate (Beijing) Technology Co., Ltd.
Drafters of this standard. Ma Yanjun, Yuan Hongfu, Wang Jiajun, Zhou Jun, Shao Xueguang, Yan Xiaoli, Du Guorong, Wang Jihua, Yin Lihui, Tian Gaoyou,
Ma Li, Li Junhui, Song Chunfeng, Hou Ying, Zou Mingqiang, Yuan Tianjun, Wen Yadong, Xu Yupeng, Tao Ying, Song Dewei, Hu Aiqin, Yang Yuqing, Li Wei,
Yang Panpan, Wang Mingfeng, Qi Xiaohua, Wang Dong, Wang Jianping.
General rules for qualitative analysis of near infrared spectroscopy
1 Scope
This standard specifies the basic principles and methods of qualitative analysis of near-infrared spectroscopy, using software, instrumentation, spectrometry, samples, and qualitative
Analyze the general requirements for test procedures, test data processing, test reports, and more.
This standard applies to the absorption range of 12820cm-1~4000cm-1 (ie 780nm~2500nm) near-infrared spectroscopy
analysis.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 8322 molecular absorption spectroscopy terminology
GB/T 29858-2013 General rules for quantitative analysis of molecular spectra
3 Terms and definitions
The following terms and definitions as defined in GB/T 8322 apply to this document.
3.1
Training sample trainingsamples
Learning sample learningsamples
Reference sample referencesamples
A property, feature, or composition of a known sample.
3.2
Training set trainingset
Learning set learningset
Reference set referenceset
A collection of training samples.
3.3
Verify sample validationsamples
A sample used to verify the discriminative power of a class model whose properties, characteristics, or composition are known.
3.4
Verification set validationset
Verify the collection of samples.
3.5
Training
Learning learning
The process of finding the relationship between a spectrum and a sample's properties, characteristics, or composition, the process of building a class model.
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