HOME   Cart(1)   Quotation   About-Us Policy PDFs Standard-List
www.ChineseStandard.net Database: 189759 (19 Oct 2025)

GB/T 670-2007 English PDF

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 670-2007: Chemical reagents -- Silver nitrate
Status: Valid

GB/T 670: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 670-2007English189 Add to Cart 3 days [Need to translate] Chemical reagents -- Silver nitrate Valid GB/T 670-2007
GB/T 670-1986English199 Add to Cart 2 days [Need to translate] Chemical reagents--Silver nitrate Obsolete GB/T 670-1986

PDF similar to GB/T 670-2007


Standard similar to GB/T 670-2007

GB/T 1396   GB/T 1282   GB/T 6684   GB/T 674   GB/T 669   GB/T 667   

Basic data

Standard ID GB/T 670-2007 (GB/T670-2007)
Description (Translated English) Chemical reagents -- Silver nitrate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G62
Classification of International Standard 71.040.30
Word Count Estimation 7,717
Date of Issue 2007-10-25
Date of Implementation 2008-04-01
Older Standard (superseded by this standard) GB/T 670-1986
Quoted Standard GB/T 601; GB/T 602; GB/T 603; GB/T 6682; GB/T 9723-2007; GB/T 9724; GB 15258; GB 15346; HG 2484; HG/T 3921
Adopted Standard ISO 6353-2-1983, NEQ
Regulation (derived from) China National Standard Approval Announcement2007 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 chemical reagents-traits of silver nitrate, specifications, trial, packaging and inspection rules and signs. This standard applies to chemical agents-silver nitrate test.

GB/T 670-2007: Chemical reagents -- Silver nitrate

---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. Silver nitrate ICS 71.040.30 G62 National Standards of People's Republic of China Replacing GB/T 670-1986 Chemical reagents silver nitrate (ISO 6353-2. 1983, Reagentsforchemicalanalysis- Part 2. Specifications-Firstseries, NEQ) Posted 2007-10-25 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 and ISO 6353-2. 1983 "Reagents for chemical analysis - Part 2. Specification 1 of this series," The R28 "silver nitrate" consistency Not equivalent. This standard replaces GB /"chemical reagents silver nitrate," compared with the GB/T 670-1986 T 670-1986 main changes are as follows. --- Increased traits (Chapter 3 of this edition); --- The reaction solution to pH values of 5.0 to 6.0 specification (1986 version 1.3,2.3, edition Chapter 4, 5.4); --- The specification Clarity test by qualified to No. 2, No. 3, No. 5 (1986 version 1.4, Chapter 4 of this edition); --- Cancellation of water insolubles, manganese, nickel, zinc, cadmium, thallium (1986 version 1.4,2.4.2,2.4.5,2.4.7,2.4.9, 2.4.10, 2.4.11); --- Modified iron, copper, determination of lead (1986 edition 2.4.6,2.4.8,2.4.12, this edition 5.8,5.9,5.10) ; --- Adjust the packaging and logo (version 4.1, 4.2, 1986, edition of Chapter 7). 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. Shanghai again four Hervey Chemical Co., Ltd. Participated in the drafting of this standard. Shanghai Chemical Co. Shenbo. The main drafters of this standard. Jia Ling. This standard was first published in 1965, in 1977 the first amendment, the Second Amendment in 1986. Chemical reagents silver nitrate Warning. some of the test procedure specified in this standard can lead to dangerous situations, the user has the responsibility to take appropriate safety and health practices. Formula. AgNO3 Molecular weight. 169.87 (according to 2003 international relative atomic mass)

1 Scope

This standard specifies the characteristics, specifications, testing, inspection rules, logo and packaging and chemical reagents --- silver nitrate. This standard applies to testing chemical agents --- silver nitrate.

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 6682-1992, neq ISO 3696. 1987) 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 15258 rules for preparation of chemical safety labels 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 or white crystals, soluble in water, easily oxidized in air, protected from light, the case of organic black.

4 Specification

Silver nitrate as shown in Table 1. Table 1 silver nitrate specifications Name pure class pure analytical chemistry Content (AgNO3), /% ≥99.8 ≥99.8 ≥99.5 Exterior Pass Pass Pass pH value (50g/L, 25 ℃) 5.0 ~ 6.0 5.0 ~ 6.0 5.0 ~ 6.0 Clarity test, number ≤2 ≤3 ≤5 Chloride (Cl), /% ≤0.0005 ≤0.001 ≤0.003 Sulphate (SO4), /% ≤0.002 ≤0.004 ≤0.006

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 670-2007_English be delivered?

Answer: Upon your order, we will start to translate GB/T 670-2007_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 670-2007_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 670-2007_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 [email protected]. 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 670-2007?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 670-2007 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.