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GB/T 9734-2008 English PDF

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Q: Should I purchase the latest version GB/T 9734-2008?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 9734-2008 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$149.00 · In stock
Delivery: <= 2 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 9734-2008: Chemical reagent -- General method for the determination of aluminium
Status: Valid

GB/T 9734: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 9734-2008	149	Add to Cart	2 days	Chemical reagent -- General method for the determination of aluminium	Valid
GB/T 9734-1988	199	Add to Cart	2 days	Chemical reagent--General method for the determination of aluminium	Obsolete

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GB/T 9741 GB/T 9724 GB/T 9728 GB/T 9735 GB/T 9736 GB/T 9733

Basic data

Standard ID: GB/T 9734-2008 (GB/T9734-2008)
Description (Translated English): Chemical reagent -- General method for the determination of aluminium
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G60
Classification of International Standard: 71.040.30
Word Count Estimation: 5,582
Date of Issue: 2008-05-15
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 9734-1988
Quoted Standard: GB/T 602; GB/T 603; GB/T 6682; GB/T 9721
Adopted Standard: ISO 6353-1-1982, NEQ
Regulation (derived from): National Standard Approval Announcement 2008 No.8 (Total No.121)
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 Rose acid ammonium (aluminum reagent) and Chromazurol S colorimetric method for the determination of aluminum in common. Rose acid ammonium (aluminum reagent) spectrophotometric detection range 0. 4��g/mL ~ 2��g/mL (as Al), visual colorimetric detection range 0. 2��g/mL ~ 2��g/mL (in Al), chromazurol S spectrophotometric detection range 0. 01��g/mL ~ 0. 2��g/mL (as Al), visual colorimetric detection range 0. 008��g/mL ~ 0. 2��g/mL (in Al meter).

GB/T 9734-2008: Chemical reagent -- General method for the determination of aluminium

---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 aluminium ICS 71.040.30 G60 National Standards of People's Republic of China Replacing GB/T 9734-1988 General Method for Determination of Chemical Reagents aluminum (ISO 6353-1. 1982, Reagentsforchemicalanalysis- Part 1. Generaltestmethods, NEQ) Posted 2008-05-15 2008-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard and ISO 6353-1. 1982 "Chemical analysis of reagent --- Part 1. General test method" non-equivalent. This standard replaces GB/T 9734-1988 "Determination of aluminum Chemicals General Method", compared with the GB/T 9734-1988 major changes as follows. --- Increased Chromazurol S Determination of aluminum (Excerpts Chapter 1, 3.2). 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. Guangzhou Chemical Reagent Factory. The main drafters of this standard. Yu Xiaoqi, Fuqiong Lian, Liu Chao Yuan. This standard was first published in 1988. General Method for Determination of Chemical Reagents aluminum

1 Scope

This standard specifies the Rose tricarboxylic acid ammonium (aluminum reagent) and chromium azure S colorimetric determination of aluminum in the general method. Rose tricarboxylic acid ammonium (aluminum reagent) Spectrophotometric detection range of 0.4μg/mL ~ 2μg/mL (calculated as Al), visual colorimetric detection range of 0.2μg/mL ~ 2μg/mL (calculated as Al); Chromium Azure S spectrophotometric detection range of 0.01μg/mL ~ 0.2μg/mL (calculated as Al), visual colorimetry The detection range of 0.008μg/mL ~ 0.2μg/mL (calculated as Al).

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 603 chemical reagent test method Preparations of articles (GB/T 603-2002, ISO 6353-1 with. 1982, NEQ) GB/T 6682 analytical laboratory use specifications and test methods (GB/T 6682-2008, ISO 3696. 1987, MOD) GB/T 9721 Chemicals General molecular absorption spectrophotometry

3 PRINCIPLE OF THE METHOD

Rose 3.1 tricarboxylic acid ammonium (aluminum reagent) colorimetry Acetic acid medium at a pH of 4-5, aluminum does generate and Rose-tricarboxylic acid ammonium chelate red sparingly soluble, can be used for aluminum spectrophotometrically Or visual colorimetric assay method. Added protective colloid solution allows stable color. 3.2 Chromium Azure S colorimetry At a pH of about 6 acid medium, aluminum and chrome azure S and cetyl trimethyl ammonium bromide generated blue complex can be used Aluminum spectrophotometry or visual colorimetric assay.

4 Reagents and materials

This standard is used in the standard solution, preparations and products, according to GB/T 602, the provisions of GB/T 603 preparation, test water should be consistent GB/T 6682 specifications in three of water.

5 Instruments

5.1 General laboratory equipment. 5.2 Spectrophotometer. comply with GB/T 9721's.

6 Determination

Rose 6.1 tricarboxylic acid ammonium (aluminum reagent) colorimetry Sampling according to product standards and the preparation of the test solution (if necessary, the test solution was adjusted to neutral). Of 10mL test solution, add 1mL in acetic acid Liquid (mass fraction 30%), 1mL ascorbic acid solution (100g/L), shake, add 10mL of acetic acid - ammonium acetate buffer solution (pH value 4 ~ 5), shake, add 3mL Rose tricarboxylic acid ammonium solution (0.5g/L), diluted to 25mL, shake, place 15min. Red and standard solution was Prospective comparative colorimetric solution. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 9734-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 9734-2008_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 9734-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 9734-2008_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 9734-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 9734-2008 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.