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US$189.00 · In stock Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 1926.1-2009: Technical furfural Status: Valid GB/T 1926.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 1926.1-2009 | English | 189 |
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3 days [Need to translate]
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Technical furfural
| Valid |
GB/T 1926.1-2009
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| GB/T 1926.1-1988 | English | 199 |
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2 days [Need to translate]
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Technical furfural
| Obsolete |
GB/T 1926.1-1988
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| GB 1926-1980 | English | RFQ |
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3 days [Need to translate]
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Industrial furfural
| Obsolete |
GB 1926-1980
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PDF similar to GB/T 1926.1-2009
Basic data | Standard ID | GB/T 1926.1-2009 (GB/T1926.1-2009) | | Description (Translated English) | Technical furfural | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B72 | | Classification of International Standard | 71.100.99 | | Word Count Estimation | 8,886 | | Date of Issue | 2009-05-12 | | Date of Implementation | 2009-11-01 | | Older Standard (superseded by this standard) | GB/T 1926.1-1988 | | Regulation (derived from) | National Standard Approval Announcement 2009 No.7 (Total No.147) | | Issuing agency(ies) |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 technical requirements of industrial furfural, test methods, inspection rules, and packaging, signs, transportation and storage. This section applies to agricultural and forestry raw materials by hydrolysis to take industrial furfural. |
GB/T 1926.1-2009: Technical furfural---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.
Technical furfural
ICS 71.100.99
B72
National Standards of People's Republic of China
Replacing GB/T 1926.1-1988
Industrial furfural
Posted 2009-05-12
2009-11-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 technical requirements
5 Test Method 2
5.1 Determination of Density 2
5.2 Determination of the refractive index of 2
5.3 Determination of Moisture 2
5.4 Determination of acidity 2
5.5 Determination of furfural 2
First 5.6 boiling point, 158 ℃ before the fraction, total distillate end point, measured residues 2
6 Inspection rules 2
6.1 Test Category 2
6.2 Sampling Method 2
6.3 determination of test results 3
7 packaging, labeling, transportation and storage 3
7.1 Package 3
7.2 Flag 3
7.3 Transportation 3
7.4 Storage 3
Foreword
GB/T 1926 is divided into two parts.
--- Part 1. Industrial furfural;
--- Part 2. Test methods for industrial furfural.
This section GB/T 1926 Part 1.
This Part replaces GB/T 1926.1-1988 "industrial furfural."
This portion of the GB/T 1926.1-1988 main changes are as follows.
--- Modify the original content in Chapter 1, an increase of "Terms and Definitions" (Chapter 3) Chapter industrial furfural;
--- Modify some normative references (Chapter 2);
--- Table 1 modify part, canceled the original table 1 filling content;
--- Test methods (Chapter 5) Table 1 lists the points of the technical requirements;
--- Chapter 6, "Inspection Rules" made adjustments and additions;
--- Chapter 7, "packaging, labeling, transport and storage" made adjustments and additions;
--- Original Chapter 7 to 7.2.4.
This part by the State Forestry Administration.
This part of the jurisdiction of the Chinese Academy of Forestry Forest Research Institute of Chemical Industry.
This part of the Chinese Academy of Forestry Forest Research Institute of Chemical Industry is responsible for drafting.
The main drafters of this section. Wei-min, CHEN Yu-ping, Yang Deqin.
This part of the standard replaces the previous editions are.
--- GB/T 1926-1980;
--- GB/T 1926.1-1988.
Industrial furfural
1 Scope
GB/T 1926 This section specifies the technical requirements of the industrial furfural, test methods, inspection rules and packaging, labeling, transport and storage.
This section applies to agricultural and forestry raw materials by hydrolysis to take industrial furfural.
2 Normative references
The following documents contain provisions which, through reference to GB/T 1926 to the present, constitute provisions of this section. For dated references,
All subsequent amendments (excluding corrections) or revisions do not apply to this section, however, encourage an agreement under this section
Parties to study the latest versions of these documents. For undated reference documents, the latest versions apply to this section.
GB 190 packaging and marking of dangerous goods
GB/T 191 Packaging - Pictorial signs
GB/T 325 packaging containers steel drums
GB/T 1926.2 Test methods for industrial furfural
GB/T 6678 General Principles for Sampling Chemical Products
GB/T 6680 General rules for sampling liquid chemical products
GB 6944 Classification and code of dangerous goods
3 Terms and Definitions
The following terms and definitions apply GB/T 1926 this part.
3.1
Aka furaldehyde.
Structure.
Handkerchief handkerchief handkerchief
Zhen Zhenzhen
CHO
Molecular formula. C5H4O2.
Molecular Weight. 96.08 (according to 1987 international relative atomic mass).
4. Technical Requirements
Furfural industry should meet the requirements of Table 1.
Table 1 Industrial furfural technical requirements
A two gifted class project
Appearance light yellow to amber transparent liquid, no mechanical impurities and suspended solids
Density (ρ20)/(g/cm
3) 1.158 - 1.161
Refractive index (like 20D) 1.524 ~ 1.527
Moisture /% ≤ 0.05 0.10 0.20
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