GB/T 32113-2015 English PDF

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GB/T 32113-2015: Determination of chlorate in oral care product -- Ion chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 32113-2015	129	Add to Cart	3 days	Determination of chlorate in oral care product -- Ion chromatography	Valid

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Basic data

Standard ID: GB/T 32113-2015 (GB/T32113-2015)
Description (Translated English): Determination of chlorate in oral care product -- Ion chromatography
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y43
Classification of International Standard: 71.100.40
Word Count Estimation: 6,612
Date of Issue: 2015-10-13
Date of Implementation: 2016-05-01
Quoted Standard: GB/T 6682
Regulation (derived from): National Standard Announcement 2015 No.33
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
Summary: This Standard specifies the principles of oral care products chlorate measured by ion chromatography, reagents and materials, instruments and equipment, analytical step, calculation results, detection limit, recovery, allowing the poor. This Standard applies to the determination of various types of oral care products in the alkali metal chlorate. The perchlorate standard detection limit of 2mg/kg.

GB/T 32113-2015: Determination of chlorate in oral care product -- 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.
(Oral care products - Determination of chlorate ion chromatography) ICS 71.100.40 Y43 National Standards of People's Republic of China Oral care products chlorate Ion Chromatography Issued on. 2015-10-13 2016-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. The standard proposed by China National Light Industry Council. The standard oral care products by the National Technical Committee of Standardization Technical Committee toothpaste (SAC/TC492/SC1) centralized. This standard was drafted. Haidian District, Beijing Products Quality Supervision, Inspection, the National Cosmetics Quality Supervision and Inspection Center (Beijing), the National Light toothpaste Wax Products Quality Supervision and Inspection Center. The main drafters of this standard. buildings, WANG Lin-lin, Sun Haibo, Yang Yanli, Yang Jiajia. Oral care products chlorate Ion Chromatography

1 Scope

This standard specifies the principles of measurement of oral care products chlorate ion chromatography, reagents and materials, instruments and equipment, analytical step Step, calculation results, detection limit, recovery, allowing the poor. This standard applies to the determination of various types of oral care products in the alkali metal chlorate. The perchlorate standard detection limit of 2mg/kg.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. Laboratory use specifications and test methods GB/T 6682 Analysis Principle 3 After oral care product samples extracted by the alkali solution, defatted, purified, import ion chromatography with conductivity detector is measured, external standard method Quantified.

4 Reagents and materials

4.1 Unless otherwise specified, the reagents were excellent pure water as GB/T 6682 provided a water. 4.2 Methanol. chromatographically pure. 4.3 Sodium hydroxide. chromatography. 4.4 10mmol/L sodium hydroxide solution. Precision Weigh 0.40g of sodium hydroxide (4.3) dissolved in water and dilute to 1000mL. 4.5 60mmol/L sodium hydroxide solution. Precision Weigh 2.40g of sodium hydroxide (4.3) dissolved in water and dilute to 1000mL. 4.6 chlorite (purity > 99%). 4.7 perchlorate standard stock solution. Weigh chlorite (4.6) 0.1275g (accurate to 0.0001g) with 10mmol/L sodium hydroxide (4.4) dissolved Solutions and set the volume to 100mL, wherein the concentration of chlorate is 1mg/mL, stored at 4 ℃ refrigerator for a period of six months. 4.8 perchlorate series of standard working solution. Imbibe perchlorate standard stock solution (4.7) 0.50mL, 1.00mL, 2.00mL, 3.00mL, 5.00mL in a 100mL volumetric flask, with 10mmol/L sodium hydroxide (4.4) to the mark, worthy of a concentration Series of standard working solutions 5.0μg/mL, 10.0μg/mL, 20.0μg/mL, 30.0μg/mL, 50.0μg/mL, and stored at 4 ℃ ice Box, valid for three months. 4.9 poly-divinylbenzene polymer reverse phase column packing (or equivalent degreasing column). 4.10 microporous membrane. 0.45μm, the water phase. Note 1. The polymer of Polydivinylbenzene reversed phase column packing (or equivalent degreasing column), 1.0mL specification, prior to use successively with 10mL methanol, 15mL water through Too, activation was allowed to stand 30min. Note 2. sodium hydroxide eluent preparation process to avoid the attention of dissolved carbon dioxide. ......

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