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GB/T 18147.1-2008: Test method for hemp fibre -- Part 1: Test method for oil content of hemp fibre
Status: Valid GB/T 18147.1: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 18147.1-2008 | English | 149 |
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Test method for hemp fibre -- Part 1: Test method for oil content of hemp fibre
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GB/T 18147.1-2008
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| GB/T 18147.1-2000 | English | 199 |
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Test method for hemp fibre-Part 1: Test method for oil content in hemp fibre
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GB/T 18147.1-2000
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Basic data | Standard ID | GB/T 18147.1-2008 (GB/T18147.1-2008) | | Description (Translated English) | Test method for hemp fibre -- Part 1: Test method for oil content of hemp fibre | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W30 | | Classification of International Standard | 81.040.20 | | Word Count Estimation | 5,584 | | Date of Issue | 2008-06-17 | | Date of Implementation | 2008-09-01 | | Older Standard (superseded by this standard) | GB/T 18147.1-2000 | | Quoted Standard | GB/T 8170; GB/T 18146.1; GB/T 18146.2; GB/T 18146.3 | | Regulation (derived from) | National Standard Approval Announcement 2008 No.10 (Total No.123) | | 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 test methods hemp oil content. This section applies to cannabis hemp, hemp flax, hemp noil. | GB/T 18147.1-2008: Test method for hemp fibre -- Part 1: Test method for oil content of hemp fibre---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.
Test method for hemp fibre Part 1. Test method for oil content of hemp fibre
ICS 59.060.10
W30
National Standards of People's Republic of China
Replacing GB/T 18147.1-2000
Test method for hemp fiber
Part 1. Test method for oil content
Posted 2008-06-17
2008-09-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Foreword
GB/T 18147 "hemp fiber test method" is divided into the following sections.
--- Part 1. Test method for oil content;
--- Part 2. Test method for residual gum;
--- Part 3. Test method for length;
--- Part 4. Test method for fineness;
--- Part 5. Test method for breaking strength;
--- Part 6. Test methods for defect.
This section GB/T 18147 Part 1.
". Test method for hemp oil content - Part 1 Test Method" GB/T 18147.1-2000 this section instead.
Section compared with the GB/T 18147.1-2000 The main changes are as follows.
--- Increasing the oil content of the definitions of the terms;
--- Grease pumping device to Dip Soxhlet extractor;
--- Increase water bath, oven temperature deviation (± 1 ℃);
--- Batch samples each quality sample to 5.00g ± 0.20g;
--- Reagent benzene - ethanol or diethyl ether to diethyl ether or petroleum ether - ethanol;
--- The solvent reflux times to less than 8 times per hour, the extraction time to 2.5h.
This section proposed and managed by China Fiber Inspection Bureau.
This part of the main drafting unit. Fiber Inspection Bureau of Shandong Province, Shanxi Textile oasis limited liability company.
The main drafters of this section. Weishou Wen, Meng Kai, in Sintra, just late, when Chunrui.
This section was first released in 2000, this is the first revision.
Test method for hemp fiber
Part 1. Test method for oil content
1 Scope
GB/T 18147 provisions of this part of the test method for hemp oil rates.
This section applies to cannabis resin, hemp hemp, hemp drop Ma.
2 Normative references
The following documents contain provisions which, through reference GB/T 18147 in this section, constitute provisions of this part. For dated reference documents
Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section
Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this
section.
GB/T 8170 numerical rounding rules
GB/T 18146.1 hemp fiber - Part 1. hemp cannabis resin
GB/T 18146.2 hemp fiber - Part 2. Cannabis hemp
Part of GB/T 18146.3 hemp 3. Cannabis NOIL
3 Terms and Definitions
The following terms and definitions apply GB/T 18147 in this section.
3.1
Quality hemp oil emulsion applied the percentage of dry mass of hemp oil.
Principle 4
Solvent extraction of the oil contained in the sample, were weighed and dried fiber mass to go after oil and grease, oil content calculated.
5 Apparatus and reagents
a) Soxhlet extractor;
b) constant temperature water bath. temperature deviation of ± 1 ℃;
c) oven. Temperature range 50 ℃ ~ 150 ℃, temperature deviation of ± 1 ℃;
d) balance. a sense of the amount of 0.01g, 0.1mg;
e) dryer. 180mm, 150mm;
f) weighing bottle. 40mm × 70mm;
g) petroleum ether. boiling range 60 ℃ ~ 90 ℃;
h) ethanol. AR;
i) ether. AR;
j) tweezers, scissors and so on.
6 Sampling
Cannabis resin, hemp hemp, hemp NOIL sampling respectively GB/T 18146.1, GB/T 18146.2, GB/T 18146.3 execution.
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