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GB/T 1274-2011 English PDF

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Q: Should I purchase the latest version GB/T 1274-2011?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1274-2011 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$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 1274-2011: Chemical reagents -- Potassium dihydrogen phosphate
Status: Valid

GB/T 1274: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 1274-2011	169	Add to Cart	3 days	Chemical reagents -- Potassium dihydrogen phosphate	Valid
GB/T 1274-1993	199	Add to Cart	2 days	Chemical reagents. Potassium dihydrogen phosphate	Obsolete

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Basic data

Standard ID: GB/T 1274-2011 (GB/T1274-2011)
Description (Translated English): Chemical reagents -- Potassium dihydrogen phosphate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G62
Classification of International Standard: 71.040.30
Word Count Estimation: 7,795
Date of Issue: 2011-05-12
Date of Implementation: 2011-12-01
Older Standard (superseded by this standard): GB/T 1274-1993
Quoted Standard: GB/T 601; GB/T 602; GB/T 603; GB/T 609; GB/T 610-2008; GB/T 6682; GB/T 9723-2007; GB/T 9724; GB/T 9728; GB/T 9729; GB/T 9735; GB/T 9738; GB/T 9739; GB 15346; HG/T 3484; HG/T 3921
Adopted Standard: ISO 6353-3-1987, NEQ
Regulation (derived from): Announcement of Newly Approved National Standards No. 6 of 2011
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 characteristics of potassium dihydrogen phosphate chemical reagents, specifications, testing, inspection and marking and packaging rules. This standard applies to potassium dihydrogen phosphate chemical reagent test.

GB/T 1274-2011: Chemical reagents -- Potassium dihydrogen phosphate

---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 reagents. Potassium dihydrogen phosphate ICS 71.040.30 G62 National Standards of People's Republic of China Replacing GB/T 1274-1993 Chemical reagents potassium dihydrogen phosphate Chemicalreagent- (ISO 6353-3. 1987, Reagentsforchemicalanalysis- Part 3. Specifications-Secondseries, NEQ) Issued on. 2011-05-12 2011-12-01 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 "Reagents for chemical analysis - Part 3. Specification 2 of the series" The R79 "potassium dihydrogen phosphate," the Non-equivalent. This standard replaces GB/T 1274-1993 "chemical reagents potassium dihydrogen phosphate," compared with the GB/T 1274-1993 major changes as follows. --- Clarity test specifications by a "qualified" to "2", "No. 4" (1993 version 3.3, this version of Chapter 4); --- Project Name "loss on drying" to "drying loss" (1993 edition 3.3,4.3.3, this edition 4,5.7); --- Sulfate, iron use two general method for the determination of chemical reagents (1993 edition 4.3.5,4.3.9, this edition 5.9,5.13); --- Determination of heavy metals increased sodium sulfide - Glycerin colorimetry (1993 version 4.3.10, this version 5.14); --- Modify the packaging and logo (the 1993 edition, Chapter 6, Section 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. Beijing Yili Fine Chemicals Co., Ltd. The main drafters of this standard. Zhao Yufeng, Bi Yong Ping. This standard replaces the standards previously issued as follows. --- GB/T 1274-1959, GB/T 1274-1977, GB/T 1274-1993. Chemical reagents potassium dihydrogen phosphate Molecular formula. KH2PO4 Molecular weight. 136.09 (according to 2007 international relative atomic mass)

1 Scope

This standard specifies the chemical reagent potassium dihydrogen phosphate traits, specifications, testing, packaging and inspection rules and signs. This standard applies to chemical reagents potassium dihydrogen phosphate test.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms of dated references, all subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to study under this agreement is standard 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 609 chemical reagent - General method for determination of total nitrogen (GB/T 609-2006, ISO 6353-1. 1982, NEQ) GB/T 610-2008 Chemical Reagent Determination of Arsenic in the general method (ISO 6353-1. 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 9724 General rule for determination of pH chemical reagent (GB/T 9724-2007, 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 9735 General method for determination of heavy metals Chemicals (GB/T 9735-2008, 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 9739 General method for determination of iron chemical reagents (GB/T 9739-2006, 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 colorless crystals, soluble in water, soluble in alcohol.

4 Specification

Potassium dihydrogen phosphate as shown in Table 1. Table 1 Name AR chemically pure Content (KH2PO4), w /% ≥99.5 ≥99.0 pH value (50g/L, 25 ℃) 4.2 ~ 4.5 4.2 ~ 4.5 ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 1274-2011_English be delivered?

Answer: Upon your order, we will start to translate GB/T 1274-2011_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 1274-2011_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 1274-2011_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 1274-2011?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 1274-2011 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.