GB/T 33893-2017 English PDF

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GB/T 33893-2017: Determination of perfluorooctane sulfonates (PFOS) and perfluorooctanoic acid (PFOA) for separation membranes -- Liquid chromatography-tandem mass spectrometry method
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33893-2017	88	Add to Cart	1 days	Determination of perfluorooctane sulfonates (PFOS) and perfluorooctanoic acid (PFOA) for separation membranes -- Liquid chromatography-tandem mass spectrometry method	Valid

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Basic data

Standard ID: GB/T 33893-2017 (GB/T33893-2017)
Description (Translated English): Determination of perfluorooctane sulfonates (PFOS) and perfluorooctanoic acid (PFOA) for separation membranes -- Liquid chromatography-tandem mass spectrometry method
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G04
Classification of International Standard: 71.040.50
Word Count Estimation: 10,141
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
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 33893-2017: Determination of perfluorooctane sulfonates (PFOS) and perfluorooctanoic acid (PFOA) for separation membranes -- Liquid chromatography-tandem mass spectrometry method

---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.
Determination of perfluorooctane sulfonates (PFOS) and perfluorooctanoic acid (PFOA) for separation membranes - Liquid chromatography-tandem mass spectrometry method ICS 71.040.50 G04 National Standards of People's Republic of China The perfluorooctane sulfonyl compound (PFOS) And perfluorooctanoic acid (PFOA) Liquid chromatography - tandem mass spectrometry Determination of perfluorooctanesulfonates (PFOS) andperfluorooctanoic acid (PFOA) forseparationmembranes-Liquidchromatography-tandem 2017-07-12 released 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard is proposed by the National Separation Membrane Standardization Technical Committee (SAC/TC382). The drafting of this standard. Shandong Dongyue Polymer Materials Co., Ltd., Beijing Green Water Film Technology Co., Ltd., Tianjin University of Technology, the state Seafood and brackish water use product quality supervision and inspection center, State Key Laboratory of Fluorine Functional Membrane Materials, Tianjin Membrane Membrane Engineering Technology Co., Ltd. the company. The main drafters of this standard. Wang Xuejun, Xia Jun, Li Xintao, Tang Junke, Wang Jie, Zhao Jianchao, Fan Yunxie, Wei Gang, Yang Yiquan, Ma Lanyun The perfluorooctane sulfonyl compound (PFOS) And perfluorooctanoic acid (PFOA) Liquid chromatography - tandem mass spectrometry

1 Scope

This standard specifies the liquid chromatography of PFOS and perfluorooctanoic acid (PFOA) in the separation membrane product - in series Mass spectrometry method. This standard is applicable to the characterization and quantification of perfluorooctane sulfonyl compounds (PFOS) and perfluorooctanoic acid (PFOA) in separation membrane products Determination.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 6682 Analytical laboratory water specifications and test methods Representation and Judgment of Numerical Correction Rule and Limit Value of GB/T 8170

3 principle

The perfluorooctane sulfonyl compounds (PFOS) and perfluorooctanoic acid (PFOA) in the membrane were separated by solvent extraction under ultrasonic conditions, Centrifugal separation, the supernatant concentration, filtration, constant volume, the injection of high performance liquid chromatography - tandem mass spectrometry (HPLC-MS/MS) for analysis, External standard method.

4 reagent

4.1 methanol. pure chromatography. 4.2 Potassium perfluorooctane sulfonate standard substance (PFOS-K, CAS number. 2795-39-3), purity greater than or equal to 98% (mass fraction). 4.3 perfluorooctanoic acid standard substance (PFOA, CAS number. 335-67-1), purity greater than or equal to 99% (mass fraction). 4.4 potassium perfluorooctane sulfonate standard stock solution (200mg/L). accurately weighed potassium perfluorooctane sulfonate (4.2) 0.0200g, dissolved in methanol Solution, and constant volume to 100mL. Stored at 0 ℃ ~ 4 ℃, valid for 1 year. 4.5 perfluorooctanoic acid standard stock solution (200mg/L). accurately weighed perfluorooctanoic acid (4.3) 0.0200g, dissolved in methanol, and constant capacity to 100mL. Stored at 0 ℃ ~ 4 ℃, valid for 1 year. 4.6 potassium perfluorooctane sulfonate standard solution (2mg/L). accurate removal of 1mL potassium perfluorooctane sulfonate standard stock solution (4.4), methanol Constant volume to 100mL. Stored at 0 ℃ ~ 4 ℃, valid for 3 months. 4.7 perfluorooctanoic acid standard solution (2mg/L). accurate removal of 1mL perfluorooctanoic acid standard stock solution (4.5), the volume of methanol to 100mL. Stored at 0 ℃ ~ 4 ℃, valid for 3 months. 4.8 ammonium acetate solution (2mmol/L). accurately weighed 0.1540g ammonium acetate, dissolved in water and volume to 1000mL, shake. 4.9 Unless otherwise stated, the reagents used are analytical grade and water is a primary water specified in GB/T 6682. ......

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