GB/T 2093-2011 English PDF

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GB/T 2093-2011: Formic acid for industrial use
Status: Valid

GB/T 2093: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2093-2011	229	Add to Cart	3 days	Formic acid for industrial use	Valid
GB/T 2093-1993	519	Add to Cart	4 days	formic acid for industrial use	Obsolete

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Basic data

Standard ID: GB/T 2093-2011 (GB/T2093-2011)
Description (Translated English): Formic acid for industrial use
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G17
Classification of International Standard: 71.080.40
Word Count Estimation: 10,198
Date of Issue: 2011-06-16
Date of Implementation: 2011-11-01
Older Standard (superseded by this standard): GB/T 2093-1993
Quoted Standard: GB 190; GB/T 601; GB/T 602; GB/T 603; GB/T 3049; GB/T 3143; GB/T 3723; GB/T 6324.2; GB/T 6678; GB/T 6680; GB/T 6682; GB/T 8170
Regulation (derived from): Announcement of Newly Approved National Standards No. 9 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 classification of industrial products with formic acid, requirements, test methods, inspection rules and signs, packaging, transportation, storage, and security. This standard applies to the production of methyl formate method and sodium formate formic acid for industrial use.

GB/T 2093-2011: Formic acid for industrial use

---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.
Formic acid for industrial use ICS 71.080.40 G17 National Standards of People's Republic of China Replacing GB/T 2093-1993 Formic acid for industrial use Issued on. 2011-06-16 2011-11-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 2093-1993 "industrial acid", compared with the GB/T 2093-1993, the main technical changes are as follows. --- The products are divided into 94% according to different content, 90%, 85% three specifications (see Chapter 3), each size were divided into three equal Level (see 42, 1993, version 3.2.); --- Adjust the color, dilution test, chlorides, sulfates, iron and evaporation residue indicators (see 42, 1993, version 3.2.); --- Test Method for increasing the appearance (see 5.3); --- Increased chloride and sulfate content determination by spectrophotometry (see 5.7 and 5.8); --- Modify the chlorides, sulfates, iron content and evaporation residue sampling method, the amount of volume is amended as weighed mass (see 5.7, . 5.8,5.9 and 510, the 1993 edition of 4.4,4.5,4.6 and 4.7); --- Increased security chapter (see Chapter 8); --- Remove the acid and formic acid density measurement density meter (see the 1993 version of Appendix A and Appendix B). The standard proposed by China Petroleum and Chemical Industry Association. This standard by the National Standardization Technical Committee on Organic Chemistry Chemical Technical Committee (SAC/TC63/SC2) centralized. This standard was drafted. Feicheng Acid Chemical Co., Ltd. Participated in the drafting of this standard. Chongqing East Sichuan Chemical Industry (Group) Co., Ltd. The main drafters of this standard. Bao-away, Zhang Bingsheng, Chen Yanjun, Wu Feng, Liu Haitao, Wang Lu. This standard was first published in 1980, in April 1993 the first amendment. Formic acid for industrial use

1 Scope

This standard specifies the use of formic acid industrial product classifications, requirements, test methods, inspection rules and signs, packaging, transportation, storage, and security. This standard applies to law and methyl formate production of formic acid for industrial use. Molecular formula. CH2O2 Structure. H OH Molecular Weight. 46.03 (according to 2007 international relative atomic mass)

2 Normative references

The following documents for the application of this document is essential. For dated references, only the edition are not applicable to the present file. For undated references, the latest edition (including any amendments) applies to this document. GB 190 packaging and marking of dangerous goods Preparation of GB/T 601 chemical reagent standard titration solution Preparation of standard solution of GB/T 602 Determination of impurities in chemical reagents GB/T 603 chemical reagent in test methods - Preparations with General Method GB/T 3049 Industrial chemicals determination of iron content 1,10-phenanthroline spectrophotometry GB/T 3143 Determination of color liquid chemicals (Hazen unit --- platinum - cobalt color number) GB/T 3723 Sampling of chemical products for industrial use General Safety GB/T 6324.2 organic chemical products - Test methods - Part 2. Volatile organic liquid water bath Determination of dry residue after evaporation GB/T 6678 General Principles for Sampling Chemical Products GB/T 6680 General rules for sampling liquid chemical products Laboratory use specifications and test methods GB/T 6682 Analysis GB/T 8170 repair value expressed about the rules and limit values \u200b\u200band judgment

3 Product Categories

Formic acid content in accordance with industry is divided into three sizes. 94%, 90% and 85%.

4 Requirements

4.1 Appearance. colorless, transparent liquid without suspension. 4.2 Industrial acid indicators should comply with Table 1. ......

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