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GB/T 45582-2025 English PDF

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US$219.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 45582-2025: Test method for quantitative analysis of hemp chemical components
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 45582-2025	219	Add to Cart	3 days	Test method for quantitative analysis of hemp chemical components	Valid

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Basic data

Standard ID: GB/T 45582-2025 (GB/T45582-2025)
Description (Translated English): Test method for quantitative analysis of hemp chemical components
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: W30
Classification of International Standard: 59.060.10
Word Count Estimation: 10,153
Date of Issue: 2025-04-25
Date of Implementation: 2025-11-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 45582-2025: Test method for quantitative analysis of hemp chemical components

---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 59.060.10 CCS W30 National Standard of the People's Republic of China Quantitative Analysis Methods of Chemical Compositions in Cannabis Released on 2025-04-25 2025-11-01 Implementation State Administration for Market Regulation The National Standardization Administration issued

Foreword

This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for standardization work Part 1.Structure and drafting rules for standardization documents" Drafting. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document is proposed and coordinated by the National Fiber Standardization Technical Committee (SAC/TC513). This document was drafted by. Donghua University, Qiqihar University, Hunan Huasheng Co., Ltd., Shanghai Textile Group Testing Standards Co., Ltd. Zhejiang Golden Eagle Co-creation Textile Co., Ltd., Xinyu Xianzhi Textile Co., Ltd., Heilongjiang Academy of Sciences, China Fiber Quality Monitoring center. The main drafters of this document are. Li Xian, Zhang Bin, Cao Qiaoli, Qian Lili, Yu Chongwen, Zheng Yongjie, Sun Ying, Liao Yongqiang, Shen Xiangying, Chen Ruyi, Shen Shilei, Ding Ruoyao, Yang Fei, Lin Ruzhong, Wang Shoubo, Dong Yan, Wang Shurui. Quantitative Analysis Methods of Chemical Compositions in Cannabis Warning---People who use this document should have practical experience in formal laboratory work. This document does not address all possible safety issues. The user is responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national laws and regulations.

1 Scope

This document describes the method for the determination of the wax, pectin, water-soluble matter, hemicellulose, lignin and cellulose content of hemp fiber. This document applies to the detection of chemical composition of hemp fiber.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document. For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to This document. GB/T 6682 Specifications and test methods for water used in analytical laboratories GB/T 8170 Rules for rounding off values and expression and determination of limit values GB/T 16984 Hemp

3 Terms and definitions

There are no terms or definitions that require definition in this document.

4 Principle

Taking advantage of the different reactions of various components in hemp fiber to different chemical reagents, the fat wax, pectin, water-soluble matter, hemicellulose and other substances in hemp fiber samples were analyzed. Cellulose, lignin and cellulose are extracted or separated one by one, and quantitatively analyzed by gravimetric analysis to obtain the chemical compositions of hemp fiber. The content of chemical ingredients.

5 Reagents or materials

Unless otherwise stated, all reagents used in this method were of analytical grade. 5.1 Sodium carbonate, content ≥ 99.8%, CAS No. 497-19-8. 5.2 Sodium hydroxide, content ≥ 96.0%, CAS No. 1310-73-2. 5.3 Anhydrous calcium chloride, content ≥96.0%, CAS No. 10043-52-4. 5.4 Barium chloride, content ≥99.0%, CAS No. 10361-37-2. 5.5 n-Hexane, content ≥97.0%, CAS No. 110-54-3. 5.6 Glacial acetic acid. content ≥ 99.5%, CAS No. 64-19-7. 5.7 Concentrated sulfuric acid. content is 95.0%~98.0%, CAS number 7664-93-9. 5.8 Sodium carbonate-sodium hydroxide aqueous solution. a mixed solution with a mass fraction of 2% sodium carbonate and 0.16% sodium hydroxide. Dissolve 10 g of sodium carbonate (5.1) and 0.8 g of sodium hydroxide (5.2) in water and make up to 500 mL. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 45582-2025_English be delivered?

Answer: Upon your order, we will start to translate GB/T 45582-2025_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 45582-2025_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 45582-2025_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.