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GB/T 10726-2007 English PDF

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Q: Should I purchase the latest version GB/T 10726-2007?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10726-2007 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$139.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 10726-2007: Chemical reagent -- General method for the determination of metals by solvent extraction followed by AAS
Status: Valid

GB/T 10726: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10726-2007	139	Add to Cart	2 days	Chemical reagent -- General method for the determination of metals by solvent extraction followed by AAS	Valid
GB/T 10726-1989	199	Add to Cart	2 days	Chemical reagent--General method for the determination of metals by solvent extraction followed by AAS	Obsolete

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Basic data

Standard ID: GB/T 10726-2007 (GB/T10726-2007)
Description (Translated English): Chemical reagent -- General method for the determination of metals by solvent extraction followed by AAS
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G60
Classification of International Standard: 71.040.30
Word Count Estimation: 5,548
Date of Issue: 2007-09-26
Date of Implementation: 2008-04-01
Older Standard (superseded by this standard): GB/T 10726-1989
Regulation (derived from): China National Standard Approval Announcement 2007 No.11 (Total No.111)
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 use of chemical reagents in the solvent extraction of metal impurities requirements and methods of using atomic absorption spectrometry determination of its content. This standard applies to the determination sensitivity poor or there is a serious disturbance in the absorption of metal impurities in chemical reagents.

GB/T 10726-2007: Chemical reagent -- General method for the determination of metals by solvent extraction followed by AAS

---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 method for the determination of metals by solvent extraction followed by AAS ICS 71.040.30 G60 National Standards of People's Republic of China Replacing GB/T 10726-1989 Chemical Reagents Solvent Extraction - Atomic Absorption Spectrometry General method for the determination of metal impurities Posted 2007-09-26 2008-04-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard replaces GB/T 10726-1989 "chemical solvent extraction reagent - General method for the determination of metal impurities by atomic absorption spectrometry." This standard compared with GB/T 10726-1989 main changes are as follows. --- Modify the reagents and materials (1989 edition, Chapter 4, Chapter 4 of this edition); --- Supplementary instrument a chapter on the contents (1989 edition Chapter 5, Chapter 5 of this edition); --- Adjust the formula for calculating the symbol (1989 edition, Chapter 6, Section 6 of this edition); --- Modify the precision of a chapter (1989 edition, Chapter 7, Chapter 7 of this edition). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee Chemistry Chemicals Branch (SAC/TC63/SC3) centralized. This standard was drafted. Shanghai Institute of chemical reagents. The main drafters of this standard. Sheng Xiaohua, Suiqi Ying. This standard was first published in 1989. Chemical Reagents Solvent Extraction - Atomic Absorption Spectrometry General method for the determination of metal impurities

1 Scope

This standard specifies the use of chemical agents after solvent extraction of metal impurities using atomic absorption spectrometry requires the content and method. This standard applies to the measurement sensitivity difference or a serious disturbance in the absorption of metal impurities in chemical reagents.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 602 Determination of impurities in chemical reagents prepared standard solution (GB/T 602-2002, ISO 6353-1. 1982, NEQ) with GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-1992, neq ISO 3696. 1987) GB/T 9723-2007 Chemicals flame atomic absorption spectrometry General

3 PRINCIPLE OF THE METHOD

Trace metal ions in the acidic solution of pH 3 to 6 with ammonium pyrrolidine dithiocarbamate (or pyrrolidine dithiocarbamate Ammonium) to generate a hydrophobic chelate to 4-methyl-2-pentanone extracted chelates into the organic phase, the organic phase was measured by atomic absorption spectrometry Enriched content after the metal impurities.

4 Reagents and materials

This standard is used in the standard solution according to GB/T 602 provisions of preparation, the test water should be consistent with GB/T 6682 water in two specifications, Analytical reagents should be above the gas should be high purity gases.

5 Instruments

With the provisions of GB/T 9723-2007 in Chapter 6.

6 Determination

Select 6.1 Determination Conditions In addition to the use of low-flow type flame acetylene flame oxidation, other conditions with GB/T 9723-2007 Chapter 7 provisions. 6.2 Determination 6.2.1 working curve method Blank test solution was prepared by product standards, test solution and standard solution proportional to the concentration of the three, were placed in 125mL liquid separation Funnel, add 40mL water, with acetic acid or sodium hydroxide solution (200g/L) of test solution adjusted to pH 3 to 6, 1mL was added pyrrolidine dithiocarbamate Substituting ammonium formate (APDC) solution (10g/L), mix well and let stand 5min, plus 10mL4--methyl-2-pentanone, shaking 1min, standing stratified abandoned The aqueous phase. The organic phase was transferred to a 10 mL volumetric flask, with "Ethanol (95%)" dilute to the mark. Zero water, press GB/T 9723-2007 7.2.1 Determination of requirements. In the mass concentration of standard solution as abscissa and the absorbance of the standard solution minus empty ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 10726-2007_English be delivered?

Answer: Upon your order, we will start to translate GB/T 10726-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 2 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 10726-2007_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 10726-2007_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.

Question 5: Should I purchase the latest version GB/T 10726-2007?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 10726-2007 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.