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GB/T 1270-2023 related PDF English

GB/T 1270-2023 (GB/T1270-2023, GBT 1270-2023, GBT1270-2023) & related versions
Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)See DetailStatusSimilar PDF
GB/T 1270-2023English189 Add to Cart 3 days Chemical reagent - Cobalt(Ⅱ) chloride hexahydrate GB/T 1270-2023 Valid GBT 1270-2023
GB/T 1270-1996English160 Add to Cart 0-9 seconds. Auto delivery. Chemical reagent. Cobalt (Ⅲ) chloride hexahydrate GB/T 1270-1996 Obsolete GBT 1270-1996
GB 1270-1985English199 Add to Cart 2 days Chemical reagent--Cobalt chloride GB 1270-1985 Obsolete GB 1270-1985



GB/T 1270-2023: PDF in English (GBT 1270-2023)
GB/T 1270-2023. Chemical reagent cobalt chloride hexahydrate (cobalt chloride)
ICS 71.040.30
CCSG62
National Standards of People's Republic of China
Replace GB/T 1270-1996
Chemical reagent cobalt chloride hexahydrate (cobalt chloride)
Part 3.Specifications-Secondseries,NEQ)
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Preface
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 1270-1996 "Chemical Reagent Cobalt Chloride Hexahydrate (Cobalt Chloride)" and is consistent with GB/T 1270-1996
In addition to structural adjustments and editorial changes, the main technical changes are as follows.
---The technical requirements for cobalt chloride hexahydrate have been changed, and the technical requirements for analytical purity have been adjusted from "≥99.0%" to "99.0%~101.0%";
The technical requirements for academic purity are adjusted from "≥98.0%" to "98.0%~102.0%" (see Chapter 5, Chapter 4 of the.1996 edition);
---Added technical requirements and measurement methods for "sodium, magnesium, potassium, calcium, and lead" (see Chapter 5, 6.6);
---The technical requirements for nitrate have been changed. The technical requirements for analytical purity have been adjusted from "≤0.02%" to "≤0.01%"; the technical requirements for chemical purity have been adjusted.
It is required to adjust from "≤0.05%" to "≤0.03%" (see Chapter 5, Chapter 4 of the.1996 edition);
---The technical requirements for manganese have been changed, and the technical requirements for analytical purity have been adjusted from "≤0.005%" to "≤0.001%"; the technical requirements for chemical purity have been adjusted
Adjusted from "≤0.02%" to "≤0.002%" (see Chapter 5, Chapter 4 of the.1996 edition);
---The technical requirements for nickel have been changed. The technical requirements for analytical purity have been adjusted from "≤0.03%" to "≤0.001%"; the technical requirements for chemical purity have been adjusted from "≤0.03%" to "≤0.001%".
"≤0.05%" is adjusted to "≤0.002%" (see Chapter 5, Chapter 4 of the.1996 edition);
---The technical requirements for zinc have been changed. The technical requirements for analytical purity have been adjusted from "≤0.002%" to "≤0.001%"; the technical requirements for chemical purity have been adjusted from "≤0.002%" to "≤0.001%".
"≤0.05%" is adjusted to "≤0.002%" (see Chapter 5, Chapter 4 of the.1996 edition);
---The determination method of nitrate has been changed (see 6.5, 5.4 of the.1996 edition);
---Added the measurement method of inductively coupled plasma atomic emission spectrometry for manganese, iron, nickel, copper, and zinc (see 6.6.2);
---Changed the inspection rules (see Chapter 7, Chapter 6 of the.1996 edition);
---Changed the packaging and logo (see Chapter 8, Chapter 7 of the.1996 edition);
---Deleted the technical requirements and measurement methods for ammonium sulfide non-precipitate (calculated as sulfate) (see Chapter 4, 5.10 of the.1996 edition).
This document was drafted with reference to ISO 6353-3.1987 "Chemical Analysis Reagents Part 3.Specifications Series 2", and the degree of consistency is not
Equivalent.
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. Zhao Shuhuang, Wang Junbo, Yang Peidian, Wang Yuhua, Zhao Jifei, Han Baoying, She Lajiao, Luo Yuan, Chen Yixuan,
Zhou Yubin, Wang Lianwang, Meng Xiandong.
This document was first published in 1960, revised for the first time in 1977, revised for the second time in 1985, and revised for the third time in.1996.This time it is
Fourth revision.
Chemical reagent cobalt chloride hexahydrate (cobalt chloride)
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 cobalt chloride hexahydrate (cobalt chloride).
logo.
This document applies to the inspection of the chemical reagent cobalt chloride hexahydrate (cobalt chloride).
Note. The molecular formula of the chemical reagent cobalt chloride hexahydrate (cobalt chloride) is CoCl2·6H2O, and the relative molecular mass is 237.92 (according to the 2022 International Relative Atoms
Quality), CAS number is 7791-13-1.
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 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
GB/T 35496-2017 General method for determination of chemical reagent nitrate
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
Cobalt chloride hexahydrate is red or reddish-purple crystal, soluble in water and acetic acid.
5 Technical requirements
The technical requirements for cobalt chloride hexahydrate are shown in Table 1.
......

BASIC DATA
Standard ID GB/T 1270-2023 (GB/T1270-2023)
Description (Translated English) Chemical reagent - Cobalt(��) chloride hexahydrate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G62
Classification of International Standard 71.040.30
Word Count Estimation 10,184
Date of Issue 2023-08-06
Date of Implementation 2024-03-01
Older Standard (superseded by this standard) GB/T 1270-1996
Drafting Organization Xilong Science Co., Ltd., Beijing Institute of Chemical Reagents Co., Ltd.
Administrative Organization National Chemical Standardization Technical Committee Chemical Reagents Sub-Technical Committee (SAC/TC 63/SC 3)
Proposing organization China Petroleum and Chemical Industry Federation
Issuing agency(ies) State Administration for Market Regulation, National Standardization Administration