GB/T 30433-2021 English PDFUS$179.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 30433-2021: Standard column used for evaluating liquid chromatograph Status: Valid GB/T 30433: Historical versions
Basic dataStandard ID: GB/T 30433-2021 (GB/T30433-2021)Description (Translated English): Standard column used for evaluating liquid chromatograph Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: N52 Word Count Estimation: 9,932 Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration GB/T 30433-2021: Standard column used for evaluating liquid chromatograph---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 column used for evaluating liquid chromatograph ICS 17.180.99 CCSN52 National Standards of People's Republic of China Replace GB/T 30433-2013 Standard Chromatographic Column for Liquid Chromatography Test Released on 2021-10-11 2022-05-01 implementation State Administration of Market Supervision and Administration Issued by the National Standardization Management Committee ForewordThis document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 30433-2013 "Standard Chromatographic Columns for Liquid Chromatograph Testing". Compared with GB/T 30433-2013, In addition to structural adjustments and editorial changes, the main technical changes are as follows. ---Modified the term "theoretical board number" and moved the original standard formula (1) to 6.2.2 (see 3.1, 6.2.2, 3.1 in the.2013 edition); ---Modified the term "tailing factor" and moved the original standard formula (2) to 6.2.3 (see 3.2, 6.2.3, 3.2 in the.2013 edition); ---Clarify that the column efficiency is expressed by the number of naphthalene peak theoretical plates (see 5.2, 4.2 in the.2013 edition); ---It is clear that the tailing factor is expressed as a naphthalene peak, and 1,4-dihydroxyanthraquinone has been deleted (see 5.3, 4.3 in the.2013 edition); ---Modified the test equipment, changed the "10μL (or 20μL) syringe" in the original standard to "sampler" and added "volume flask" (see 6.1.1, 5.1.2 of the.2013 edition); --- Deleted "It is necessary to operate in a fume hood when preparing the test solution" (see 5.1.3 of the.2013 edition); ---Modified reagents, deleted 1,4-dihydroxyanthraquinone, nitrobenzene, sodium dihydrogen phosphate dihydrate, sodium hydroxide, fluorene and other items (see 6.1.2.1, 5.1.3.1 of the.2013 version); ---Modified the standard solution, and modified the test column performance and tailing factor with fluorene and 1,4-dihydroxyanthraquinone to test column performance and The tailing factor is prepared with naphthalene solution (see 6.1.2.2, 5.1.3.2 of the.2013 edition); ---The buffer salt preparation has been deleted (see 5.1.3.3 of the.2013 edition); --- Deleted the 1,4-dihydroxyanthraquinone method (see 5.2.3.2 in the.2013 edition); ---Modified the standard column pressure drop test method, and described the test method in more detail (see 6.2.4, 5.2.4 of the.2013 edition). Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents. This document was proposed by China Machinery Industry Federation. This document is under the jurisdiction of the National Industrial Process Measurement Control and Automation Standardization Technical Committee (SAC/TC124). Drafting organizations of this document. Yilite (Suzhou) Analytical Instrument Co., Ltd., Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian Yilite Analytical Instrument Co., Ltd., Shanghai Xingyi Chromatography Instrument Co., Ltd., Chinese Academy of Metrology, Suzhou Nanomicro Technology Co., Ltd., Dima Technology (Tianjin) Co., Ltd., China National Institute of Standardization, Liaoning Academy of Analytical Sciences, Dalian Institute of Metrology and Inspection Co., Ltd. company. The main drafters of this document. Zhang Xueyun, Liang Zhen, Tang Tao, Zhao Guohong, Tao Hong, Yu Xiuzhen, Li Wenbin, Lan Tao, Wang Zhijia, Lin Lei. The previous versions of this document and the documents replaced are as follows. ---In.2013, it was first published as GB/T 30433-2013; ---This is the first revision. Standard Chromatographic Column for Liquid Chromatography Test1 ScopeThis document specifies the terms and definitions, standard column parameters, requirements, test methods, and inspection rules for standard chromatographic columns used for liquid chromatograph testing. Rules, signs, packaging, transportation and storage. This document applies to standard chromatographic columns used for liquid chromatograph testing (hereinafter referred to as "standard columns").2 Normative referencesThe contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to This document. GB/T 191 Packaging, storage and transportation pictorial signs GB/T 6682 Analytical laboratory water specifications and test methods GB/T 9008 Liquid Chromatography Terms Column Chromatography and Planar Chromatography3 Terms and definitionsThe following terms and definitions defined in GB/T 9008 apply to this document. 3.1 Numberoftheoreticalplate A parameter indicating column efficiency. 3.2 Tailing factor To evaluate the parameters of the peak shape, the peak width at 5% of the peak height is divided by the distance between the peak maximum and the leading edge twice.4 Standard column parametersThe standard column parameters are shown in Table 1. Table 1 Standard column parameters the inside diameter of mm length mm Standard column tube material stationary phase 4.60±0.05 250±1 Chemical resistant stainless steel material, internal Surface polishing treatment Octadecyl bonded silica gel, average particle size 5.0μm±1.0μm, Carbon content 10%~30%, pore size between 60Å~120Å Note. 1Å=10-10m. ...... |
