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GB/T 667-2023 English PDF

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Q: Should I purchase the latest version GB/T 667-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 667-2023 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 667-2023: Chemical reagent - Zinc nitrate hexahydrate
Status: Valid

GB/T 667: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 667-2023	189	Add to Cart	3 days	Chemical reagent - Zinc nitrate hexahydrate	Valid
GB/T 667-1995	239	Add to Cart	2 days	Chemical reagent. Zinc nitrate hexahydrate	Obsolete
GB 667-1978	RFQ	ASK	3 days	Chemical reagents--Zinc nitrate	Obsolete

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Basic data

Standard ID: GB/T 667-2023 (GB/T667-2023)
Description (Translated English): Chemical reagent - Zinc nitrate hexahydrate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G62
Classification of International Standard: 71.040.30
Word Count Estimation: 10,144
Date of Issue: 2023-08-06
Date of Implementation: 2024-03-01
Older Standard (superseded by this standard): GB/T 667-1995
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 667-2023: Chemical reagent - Zinc nitrate hexahydrate

---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.
ICS 71.040.30 CCSG62 National Standards of People's Republic of China Replace GB/T 667-1995 Chemical reagent zinc nitrate hexahydrate (zinc nitrate) Published on 2023-08-06 2024-03-01 Implementation State Administration for Market Regulation Released by the National Standardization Administration Committee

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents" Drafting. This document replaces GB/T 667-1995 "Chemical Reagent Zinc Nitrate Hexahydrate (Zinc Nitrate)". Compared with GB/T 667-1995, except In addition to structural adjustments and editorial changes, the main technical changes are as follows. ---The technical requirements and determination methods of zinc nitrate hexahydrate have been changed, and the technical requirements for analytical purity have been adjusted from "≥99.0%" to "99.0%~ 101.0%"; chemical purity technical requirements are adjusted from "≥98.0%" to "98.0%~102.0%" (see Chapter 5, 6.2,.1995 edition 3.1, 4.1); ---The technical requirements for the clarity test have been changed, from "qualified" to "≤No. 2" and "≤No. 4" (see Chapter 5,.1995 edition 3.3); ---The technical requirements for chemical purity of lead have been changed from "≤0.02%" to "≤0.01%" (see Chapter 5, 3.3 of the.1995 edition); ---Added technical requirements and determination methods for sodium, magnesium, potassium, calcium, nickel and copper (see Chapter 5, 6.8); ---Added the measurement method of inductively coupled plasma atomic emission spectrometry for lead and iron (see 6.8.2, 6.9.1); ---Changed the inspection rules (see Chapter 7, Chapter 5 of the.1995 edition); ---Changed the packaging and logo (see Chapter 8, Chapter 6 of the.1995 edition); ---Deleted the technical requirements and measurement methods for ammonium sulfide non-precipitate (calculated as sulfate) (see 3.3 and 4.3.7 of the.1995 edition). Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents. This document is proposed by China Petroleum and Chemical Industry Federation. This document is under the jurisdiction of the Chemical Reagents Sub-Technical Committee of the National Chemical Standardization Technical Committee (SAC/TC63/SC3). This document was drafted by. Xilong Science Co., Ltd., Beijing Institute of Chemical Reagents Co., Ltd. The main drafters of this document. Yang Peidian, Lin Xiuzhen, Yuan Lina, Wang Yuhua, Zhao Jifei, Han Baoying, She Lajiao, Ma Linghua, Wang Lianwang, Meng Xiandong. This document was first published in 1965, revised for the first time in 1978, revised for the second time in.1995, and this is the third revision. Chemical reagent zinc nitrate hexahydrate (zinc nitrate) Warning. Some test procedures specified in this document may lead to hazardous situations, and the user is responsible for taking appropriate safety and health measures.

1 Scope

This document specifies the properties, technical requirements, test methods, inspection rules and packaging of the chemical reagent zinc nitrate hexahydrate (zinc nitrate). logo. This document applies to the inspection of the chemical reagent zinc nitrate hexahydrate (zinc nitrate). Note. The molecular formula of the chemical reagent zinc nitrate hexahydrate (zinc nitrate) is Zn(NO3)2·6H2O, and the relative molecular mass is 297.48 (according to the 2022 international relative Atomic mass), CAS number is 10196-18-6.

2 Normative reference documents

The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to this document. GB/T 601 Preparation of chemical reagent standard titration solution GB/T 602 Preparation of standard solutions for determination of impurities in chemical reagents GB/T 603 Preparation of preparations and products used in chemical reagent test methods GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 9723-2007 General principles for flame atomic absorption spectrometry of chemical reagents GB/T 9724 General principles for determination of pH value of chemical reagents GB/T 9728 General method for determination of chemical reagent sulfate GB/T 9729 General method for determination of chemical reagent chloride GB/T 9738 General method for determination of water-insoluble matter in chemical reagents GB 15258 Regulations on Preparing Chemical Safety Labels GB 15346 Chemical reagent packaging and marking GB/T 23942-2009 General principles for inductively coupled plasma atomic emission spectrometry of chemical reagents HG/T 3484-1999 Chemical reagent standard glass emulsion and clarity standard HG/T 3921 Chemical reagent sampling and acceptance rules

3 Terms and definitions

There are no terms or definitions to be defined in this document.

4 traits

Zinc nitrate hexahydrate (zinc nitrate) is white crystal, easily soluble in water and ethanol. ......

Image

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 667-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 667-2023_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 667-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 667-2023_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 667-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 667-2023 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.