SN/T 2297.8-2015 English PDF

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
SN/T 2297.8-2015: Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
SN/T 2297.8-2015	189	Add to Cart	3 days	Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography	Valid

Similar standards

GB/T 5483   JC/T 2625   GB/T 9775   SN/T 2297.9   SN/T 2297.7   SN/T 2297.5   

Basic data

Standard ID: SN/T 2297.8-2015 (SN/T2297.8-2015)
Description (Translated English): Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. Ion chromatography
Sector / Industry: Commodity Inspection Standard (Recommended)
Classification of Chinese Standard: Q62
Classification of International Standard: 91.100.10
Word Count Estimation: 8,833
Date of Issue: 2015-02-09
Date of Implementation: 2015-09-01
Quoted Standard: GB/T 602; GB/T 6682
Regulation (derived from): State-Quality-Inspection-Accreditation [2015] 59
Issuing agency(ies): General Administration of Customs
Summary: This standard specifies the method for the determination by ion chromatography gypsum and gypsum products in water-soluble fluoride and chloride content. This standard applies to the determination of gypsum and gypsum products in water-soluble fluoride and chloride content. Measurement range of fluorine and chlorine content: 12 mg/kg ~ 1 600 mg/kg.

SN/T 2297.8-2015: Analysis method for gypsum and gypsum products. Part 8: Determination of water soluble fluoride and chloride content. 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.
(Gypsum and gypsum products Analysis - Part 8. Water-soluble fluoride, chloride content - Ion Chromatography) People's Republic of China Entry-Exit Inspection and Quarantine Standards Gypsum and gypsum products Analysis Part 8. Water-soluble fluorides, chlorides Determination by ion chromatography Part 8. Determinationofwatersolublefluorideandchloridecontent- Issued on. 2015-02-09 2015-09-01 implementation People's Republic of China The State Administration of Quality Supervision, Inspection and Quarantine released

Foreword

SN/T 2297 "gypsum and gypsum products analysis" is divided into eight sections. --- Part 1. Determination of strontium content; --- Part 2. Determination of organic matter; --- Part 3. Determination of sulfide content; --- Part 4. Determination of volatile sulfur compounds; --- Part 5. Determination of sulfur content by gas chromatography - mass spectrometry; --- Part 6. Determination of elemental sulfur; --- Part 7. arsenic, mercury content by atomic fluorescence spectrometry; --- Part 8. Water-soluble fluoride, chloride content by ion chromatography. This section SN/T 2297 Part 8. This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard is proposed and managed by the National Certification and Accreditation Administration Committee. This standard was drafted. People's Republic of China Fujian Exit Inspection and Quarantine, Longyan. The main drafters of this standard. Zhong Jian Hai, Chen Jinfeng, Zhang Jin, Chen Jie, Zhengrui Juan, Zhang Yanyan, Liu Mingjian, Ya sister. Gypsum and gypsum products Analysis Part 8. Water-soluble fluorides, chlorides Determination by ion chromatography

1 Scope

SN/T 2297 provisions of this part of the determination of gypsum and gypsum products in water-soluble fluoride and chloride content of ion chromatography method. This section applies to the determination of gypsum and gypsum products in water-soluble fluoride and chloride content. Fluorine and chlorine content measurement range. 12mg/kg ~ 1600mg/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. Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents Laboratory use specifications and test methods GB/T 6682 Analysis

3 Method summary

Ultrasonic extraction of water samples, after clarification of the supernatant was measured by dilution with ion chromatography to be placed. Retention time qualitative, external standard method Quantified.

4 Reagents and materials

Unless otherwise indicated, the reagents used in the analysis were of analytical grade, test water should be consistent with a water GB/T 6682 stipulated requirements. 4.1 sodium carbonate. 4.2 sodium bicarbonate. 4.3 single element standard solution (1000μg/mL). fluorine and chlorine standard solution according to GB/T 602 method of preparation, or the direct purchase of certified reference substance. 4.4 fluoro standard stock solution (100μg/mL). pipette accurately Pipette fluoro standard solution (4.3) 10mL to 100mL volumetric flask Diluted with water to volume, and mix. 4.5 standard chlorine stock solution (100μg/mL). pipette Pipette accurate chlorine standard solution (4.3) 10mL to 100mL volumetric flask Diluted with water to volume, and mix. 4.6 mixed standard solution (fluorine, chlorine concentration was 10μg/mL). Pipette fluoro standard stock solution (4.4) and chlorine standard stock solution (4.5), respectively 10mL placed in 100mL volumetric flask, and dilute with water to volume, and mix. 4.7 filter, 0.22μm, nylon. 5. Apparatus 5.1 ion chromatograph with suppressor and conductivity detector. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of SN/T 2297.8-2015_English be delivered?

Answer: Upon your order, we will start to translate SN/T 2297.8-2015_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of SN/T 2297.8-2015_English with my colleagues?

Answer: Yes. The purchased PDF of SN/T 2297.8-2015_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.