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GB/T 1294-2008 English PDF

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US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 1294-2008: Chemical reagent -- L(+)-Tartaric acid
Status: Valid

GB/T 1294: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 1294-2008	169	Add to Cart	3 days	Chemical reagent -- L(+)-Tartaric acid	Valid
GB/T 1294-1993	199	Add to Cart	2 days	Chemical reagents. Tartaric acid	Obsolete

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Basic data

Standard ID: GB/T 1294-2008 (GB/T1294-2008)
Description (Translated English): Chemical reagent -- L(+)-Tartaric acid
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G63
Classification of International Standard: 71.040.30
Word Count Estimation: 7,737
Date of Issue: 2008-05-15
Date of Implementation: 2008-11-01
Older Standard (superseded by this standard): GB/T 1294-1993
Quoted Standard: GB/T 601; GB/T 602; GB/T 603; GB/T 6682; GB/T 9723-2007; GB/T 9727; GB/T 9728; GB/T 9729; GB/T 9738; GB/T 9741-2008; GB 15346; HG/T 3484; HG/T 3921
Adopted Standard: ISO 6353-3-1987, 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 chemical reagent L (+)-tartaric acid trait, specifications, trial, packaging and inspection rules and signs. This standard applies to chemical reagent L (+)-tartaric acid test.

GB/T 1294-2008: Chemical reagent -- L(+)-Tartaric acid

---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. L () -Tartaric acid ICS 71.040.30 G63 National Standards of People's Republic of China Replacing GB/T 1294-1993 Chemicals L (+) - tartaric acid (ISO 6353-3. 1987, Reagentsforchemicalanalysis- Part 3. Specifications-Secondseries, 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 6353-3. 1987 "Chemical analysis of reagent --- Part 3. Specifications --- 2nd Series" in R93 "L (+) - tartaric Acid "non-equivalent. This standard replaces GB /"chemical reagents tartaric", compared with the GB/T 1294-1993 T 1294-1993 major changes are as follows. --- Standard name changed to "L (+) - tartaric acid"; --- Increased traits (edition 3); --- Specifications Clarity test by "qualified" to "4", "6" (1993 version 3.2, this version of Chapter 4). 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 is drafted by. Shenyang Chemical Reagent Factory, Yixing City, the second chemical reagent factory. The main drafters of this standard. Tian Ju, Yang Yuhua, Huangyu Juan, Ma Hong, Lu Ximing. This standard was first published in 1965, the first revision in 1977, the Second Amendment in 1993. Chemicals L (+) - tartaric acid Molecular formula. C4H6O6 Structural formula. CHO COOH CHO COOH Molecular weight. 150.09 (according to 2005 international relative atomic mass)

1 Scope

This standard specifies the chemical reagent L (+) - tartaric acid trait, specifications, testing, packaging and inspection rules and signs. This standard applies to chemical reagents L (+) - tartaric acid test.

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. Preparation of GB/T 601 chemical reagent standard titration solution 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 9723-2007 Chemicals flame atomic absorption spectrometry General GB/T 9727 General method for the determination of phosphate chemical reagent (GB/T 9727-2007, ISO 6353-1. 1982, NEQ) GB/T 9728 General method for determination of chemical reagents sulfate (GB/T 9728-2007, ISO 6353-1. 1982, NEQ) GB/T 9729 General method for determination of chloride Chemicals (GB/T 9729-2007, ISO 6353-1. 1982, NEQ) GB/T 9738 Determination of water insoluble chemical reagent - General method (GB/T 9738-2008, ISO 6353-1. 1982, NEQ) GB/T 9741-2008 Determination of residue on ignition Chemicals General method (ISO 6353-1. 1982, NEQ) GB 15346 chemical reagent packaging and marking HG/T 3484 standard chemical reagents glass emulsion and clarity standards HG/T 3921 Chemicals sampling and acceptance rules

3 Characters

This reagent is a colorless or white crystalline powder, soluble in water, alcohol, ether, insoluble in chloroform. Tartaric acid solution (200g/L) ratio Rotatory power αm (20 ℃, D) for the (+ 12.0 ° · m2 · kg-1 ~ + 12.8 ° · m2 · kg-1).

4 Specification

L (+) - tartaric acid as shown in Table 1. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 1294-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 1294-2008_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 1294-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 1294-2008_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 1294-2008?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1294-2008 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.