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GB/T 13255.6-2009 English PDF

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Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13255.6-2009 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$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 13255.6-2009: With caprolactam industry test methods -- Part 6: Determination of acidity or alkalinity
Status: Valid

GB/T 13255.6: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 13255.6-2009	189	Add to Cart	3 days	With caprolactam industry test methods -- Part 6: Determination of acidity or alkalinity	Valid
GB/T 13255.6-1991	199	Add to Cart	2 days	Caprolactam for industrial use--Determination of acidity or alkalinity	Obsolete

Similar standards

GB/T 6324.6 GB/T 7531 GB/T 6324.5 GB/T 13255.3 GB/T 13255.4 GB/T 13255.2

Basic data

Standard ID: GB/T 13255.6-2009 (GB/T13255.6-2009)
Description (Translated English): With caprolactam industry test methods -- Part 6: Determination of acidity or alkalinity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G15
Classification of International Standard: 71.080
Word Count Estimation: 8,894
Date of Issue: 2009-05-13
Date of Implementation: 2010-01-01
Older Standard (superseded by this standard): GB/T 13255.6-1991
Regulation (derived from): PRC National Standard Approval Announcement 2009 No.6 (Total No.146)
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 determination of industrial caprolactam acidity or alkalinity by titration analysis.

GB/T 13255.6-2009: With caprolactam industry test methods -- Part 6: Determination of acidity or alkalinity

---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.
With caprolactam industry test methods - Part 6. Determination of acidity or alkalinity ICS 71.080 G15 National Standards of People's Republic of China Replacing GB/T 13255.6-1991 Test methods of caprolactam for industrial use Part 6. Determination of acidity or alkalinity Posted 2009-05-13 2010-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 13255 "Industrial caprolactam test method" is divided into eight sections. --- Part 1. Determination of a 50% aqueous solution of chromaticity spectrophotometry; --- Part 2. Determination of crystallizing point; --- Part 3. Determination of permanganate absorption spectrophotometry value; --- Part 4. After distillation of volatile alkali content of titration; --- Part 5. 290nm wavelength measured absorbance; --- Part 6. Determination of acidity or alkalinity; --- Part 7. Determination of iron content; --- Part 8. Determination of cyclohexanone oxime content. This section GB/T 13255 Part 6. This Part replaces GB/T 13255.6-1991 "industrial caprolactam Determination of acidity or alkalinity." This section compared with the GB/T 13255.6-1991 The main changes are as follows. --- Will analyze the water level defined as "third grade water GB/T 6682-2008 specified" (1991 edition, Chapter 4, Excerpts Chapter 4). --- Added "Report" (see Chapter 8). This part is proposed by the China Petroleum and Chemical Industry Association. This part of the National Standardization Technical Committee on Organic Chemistry Club (SAC/TC63/SC2) centralized. This section drafted by. China Petroleum & Chemical Corporation Baling Branch. The main drafters of this section. Zhao Jun red, Shenpei Zhi, Kuang Zhigang. This part of the standard replaces the previous editions are. --- GB/T 13255.6-1991. Test methods of caprolactam for industrial use Part 6. Determination of acidity or alkalinity

1 Scope

GB/T 13255 provisions of this part of the analysis was determined by titration industrial caprolactam acidity or alkalinity.

2 Normative references

The following documents contain provisions which, through reference GB/T 13255 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. Preparation of GB/T 601-2002 Chemical Reagent standard titration solution GB/T 603-2002 Chemical Reagent Test Methods Preparations with (ISO 6353-1. 1982, NEQ) GB/T 6682-2008 analytical laboratory use specifications and test methods (ISO 3696. 1987, MOD) GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment

3 Method summary

Methyl red - methylene blue ethanol as indicator, titrated with standard sodium hydroxide solution or hydrochloric acid standard titration solution titration, measured Acidity or alkalinity.

4 Reagents and solutions

This part of the reagents and water, refer analytical grade and third grade water GB/T 6682-2008 stipulated. Analysis in the standard titration solution, preparations and products, did not indicate when the other requirements, according to GB/T 601-2002, GB/T 603-2002 Preparation of the provisions. 4.1 sodium hydroxide standard titration solution. Ba (NaOH) = 0.01mol/L. The time is now equipped with. 4.2 hydrochloric acid standard titration solution. Ba (HCl) = 0.01mol/L. The time is now equipped with. 4.3 methyl red - methylene blue mixed indicator.

5 Instruments

Microburette. volume 1mL or 3mL, dividing the value of 0.01mL. Step 6 Analysis 6.1 Preparation of neutral distilled water The water is placed 250mL 150mL conical flask, add 8 drops of mixed indicator, standard titration with sodium hydroxide solution or hydrochloric acid standard Titration solution titrated to a solution grayish green. 6.2 Determination Weigh about 40g laboratory samples, accurate to 0.1g, dissolved in distilled water poured into neutral. If the solution was purple it indicates acidic, Standard titration with sodium hydroxide solution was titrated to a solution grayish green. If the solution is green is represented as a basic, standard titration with hydrochloric acid solution drops Given to the solution grayish green. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 13255.6-2009_English be delivered?

Answer: Upon your order, we will start to translate GB/T 13255.6-2009_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 GB/T 13255.6-2009_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 13255.6-2009_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 13255.6-2009?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 13255.6-2009 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.