|
US$209.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 43418-2023: Determination method of components in flax
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 43418-2023 | English | 209 |
Add to Cart
|
3 days [Need to translate]
|
Determination method of components in flax
| Valid |
GB/T 43418-2023
|
PDF similar to GB/T 43418-2023
Standard similar to GB/T 43418-2023 FZ/T 30003 GB/T 16984 GB/T 45582 Basic data | Standard ID | GB/T 43418-2023 (GB/T43418-2023) | | Description (Translated English) | Determination method of components in flax | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | W30 | | Classification of International Standard | 59.060.10 | | Word Count Estimation | 10,167 | | Date of Issue | 2023-11-27 | | Date of Implementation | 2024-06-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 43418-2023: Determination method of components in flax---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 Standards of People's Republic of China
Method for testing the composition of flax fiber
Published on 2023-11-27
2024-06-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
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:
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 and coordinated by the National Fiber Standardization Technical Committee (SAC/TC513):
This document was drafted by: Donghua University, Shandong Zhongkang Guochuang Advanced Printing and Dyeing Technology Research Institute Co:, Ltd:, China Fiber Quality Monitoring Center,
Zhejiang Jimaliangsi New Materials Co:, Ltd:, Zhejiang Golden Eagle Gongchuang Textile Co:, Ltd:, and Aksu Regional Fiber Inspection Institute:
The main drafters of this document: Li Weidong, He Li, Nur Aili Adili, Wu Xiuhuan, Chen Ruyi, Ji Ping, Yang Fei, Shen Shilei, Cheng Ziling,
Liu Jiaming:
Method for testing the composition of flax fiber
Warning---Personnel using this document should have practical experience in regular laboratory work: This document does not address all possible security issues
question: Users are responsible for taking appropriate safety and health measures and ensuring compliance with the conditions stipulated in relevant national regulations:
1 Scope
This document describes methods for the determination of lipid waxes, pectin, hemicellulose, lignin and cellulose as components of flax fiber:
This document is applicable to flax fiber composition in flax beating, flax machine short flax, flax coarse flax and other processing steps before spinning:
Testing of ingredients:
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 5707 Textile linen textile product terminology
GB/T 6682 Specifications and test methods for water used in analytical laboratories
GB/T 11415 Laboratory sintered (porous) filters pore size, classification and grade
3 Terms and definitions
The terms and definitions defined in GB/T 5707 apply to this document:
4 Principles
Use physical or chemical methods to extract the lipid wax, pectin, hemicellulose, lignin and cellulose components of flax fiber or
Separation, quantitative analysis of the extracted or separated components using gravimetric analysis or spectrophotometry to obtain flax fiber
Content of ingredients:
5 reagents
Unless otherwise stated, the reagents used in this document are of analytical grade: The water is grade three water that complies with GB/T 6682:
5:1 Acetone, content ≥99:5%, CAS number: 67-64-1:
5:2 Sulfuric acid, content 95%~98%, CAS number: 7664-93-9:
5:3 Carbazole ethanol solution (1:5g/L):
5:4 Hot ammonia solution: Add 1:5mL ammonia water (mass fraction 25%~28%) to 73mL boiling water and mix evenly: Ready for use:
5:5 Sodium hydroxide solution (4g/L):
5:6 Sodium hydroxide solution (20g/L):
5:7 Hydrochloric acid aqueous solution (2mol/L):
5:8 Ammonium oxalate solution (5g/L):
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 43418-2023_English be delivered?Answer: Upon your order, we will start to translate GB/T 43418-2023_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 43418-2023_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 43418-2023_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+ countriesQuestion 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 [email protected]. 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.
|