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GB/T 34672-2017 English PDF

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GB/T 34672-2017: Chemical reagent -- General rules for the ion chromatography
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PDF similar to GB/T 34672-2017


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Basic data

Standard ID GB/T 34672-2017 (GB/T34672-2017)
Description (Translated English) Chemical reagent -- General rules for the ion chromatography
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G60
Classification of International Standard 71.040.30
Word Count Estimation 18,169
Date of Issue 2017-11-01
Date of Implementation 2018-05-01
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34672-2017: Chemical reagent -- General rules for the ion chromatography

---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.
Chemical reagent-General rules for the ion chromatography ICS 71.040.30 G60 National Standards of People's Republic of China Chemical reagents General rules of ion chromatography 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 proposed by the China Petroleum and Chemical Industry Federation. This standard by the National Standardization Technical Committee Chemical Reagent Branch (SAC/TC63/SC3) centralized. This standard was drafted unit. Sinopharm Chemical Reagent Co., Ltd., Beijing Institute of Chemical Reagents, Taizhou product quality supervision and inspection Heart, Shanghai Institute of Measurement and Testing Technology. The main drafters of this standard. Chen Haoyun, Han Baoying, Fang Cheng, Huang Yinbo, Zheng Qi, Li Chunhua. Chemical reagents General rules of ion chromatography

1 Scope

This standard specifies the chemical reagent ion chromatography equipment requirements and determination methods. This standard applies to chemical reagents inorganic ions, organic acids, low molecular weight amines, organic compounds, halogen and sulfur impurities Quantitative analysis.

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 602 chemical reagent impurity standard solution preparation GB/T 9008 liquid chromatography terminology column chromatography and planar chromatography GB/T 14666 analytical chemistry terminology GB/T 33087 instruments for analysis of high-purity water specifications and test methods JJG823 ion chromatography

3 Terms and definitions

GB/T 9008, GB/T 14666 and defined by the following terms and definitions apply to this document. 3.1 Ion Chromatography Chromatography for the separation and detection of mixtures of cations and anions. 3.2 Eluent (eluent) eluent The separation column holds the solvent that separates and dissolves the ionic components of the sample. 3.3 Gradient elution gradientelutionmethod The composition of the eluant or the flow of the eluent is continuously changed so that the species of ions in the sample are developed and eluted in a certain order. 3.4 Pre-column pre-colunm For the sample ion concentration of species components, pre-separation and removal of foreign matter, placed in front of the injection valve column. 3.5 Separation column separation column It has the purpose of separating the ionic species components of the sample to be separated. 3.6 Eluate eluate Liquid from the separation column as it is unrolled by mobile phase (eluent).

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