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GB/T 42702-2023 English PDF

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US$459.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 42702-2023: Paper, board and paper products - Determination of antibacterial activity
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 42702-2023	459	Add to Cart	4 days	Paper, board and paper products - Determination of antibacterial activity	Valid

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Basic data

Standard ID: GB/T 42702-2023 (GB/T42702-2023)
Description (Translated English): Paper, board and paper products - Determination of antibacterial activity
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85.010
Word Count Estimation: 24,277
Date of Issue: 2023-05-23
Date of Implementation: 2023-12-01
Issuing agency(ies): State Administration for Market Regulation, China National Standardization Administration

GB/T 42702-2023: Paper, board and paper products - Determination of antibacterial activity

---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.
ICS85:010 CCSY30 National Standards of People's Republic of China Determination of antimicrobial properties of paper, board and paper products Released on 2023-05-23 2023-12-01 Implementation State Administration for Market Regulation Released by the National Standardization Management Committee

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 contents of this document may refer to patents: The issuing agency of this document assumes no responsibility for identifying patents: This document is proposed by China National Light Industry Council: This document is under the jurisdiction of the National Paper Industry Standardization Technical Committee (SAC/TC141): This document is drafted by: China Light (Jinjiang) Hygienic Products Research Co:, Ltd:, China Pulp and Paper Research Institute Co:, Ltd:, China Light Paper Quality Inspection Certification Co:, Ltd:, Fujian Hengan Group Co:, Ltd:, Zhuhai Hongta Renheng Packaging Co:, Ltd:, Unicharm Daily Products (China) Co:, Ltd: Co:, Ltd:, Sumitomo Seika (China) Investment Co:, Ltd:, Kimberly-Clark (China) Co:, Ltd:, National Paper Quality Inspection and Testing Center: The main drafters of this document: Liu Yang, Sun Wengang, Li Liangjun, Liu Junjie, Wen Jianyu, Wu Xiaobiao, Luo Gai, Ma Hongsheng, Lu Shiqiang, Yang Jing, Wang Jiajun, Li Chun, Hong Yawen, Chen Yandi, Li Li'e, Zeng Zhengzheng, Mao Cui, Yuan Taojing, Wang Xinting: Determination of antimicrobial properties of paper, board and paper products

1 Scope

This document describes methods for the determination of the antibacterial (bacteriostatic) properties of paper, paperboard and paper products, including the carrier antibacterial test, the ring of inhibition test, the shaking Flask test, antibacterial component transfer determination test, superabsorbent material antibacterial performance test and long-term anti-mold performance test: This document applies to paper, paperboard and paper products and their raw materials:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document: WS/T 650-2019 Evaluation method for antibacterial and antibacterial effects

3 Terms and Definitions

The following terms and definitions apply to this document: 3:1 Antibacterial antibacterial The process of killing or hindering the growth and reproduction of bacteria by chemical or physical methods can reduce their number and activity: 3:2 Bacteriostatic antibacterial The process of inhibiting or hindering the growth and reproduction of bacteria and their activity by chemical or physical means:

4 Determination methods and selection of test bacteria

4:1 Choice of determination method 4:1:1 Ordinary samples Choose the appropriate measurement method according to the sample performance and usage: For samples containing leaching antibacterial components, or fiber raw materials (including For samples with antibacterial function and good water absorption, carrier antibacterial test (Chapter 5) can be selected for quantitative measurement For samples containing leaching antibacterial ingredients, if qualitative determination is carried out, the inhibition zone test (Chapter 6) can be selected; for samples containing non-dissolving For samples of antibacterial ingredients, after the identification test is confirmed, the shaking flask test (Chapter 7) can be selected for quantitative determination: Judgment method of sample water absorption: Cut the sample into a sample with a size of 2:0cm×3:0cm (the samples can be stacked, but the number of pieces shall not exceed 3 pieces), drop 100 μL of bacterial suspension on the surface of the sample, if the bacterial suspension can be completely absorbed by the sample, it is considered that the sample has good water absorption Samples, such as antibacterial tissue paper: 4:1:2 Special samples Select the corresponding determination method according to its sample characteristics: in identifying whether the antibacterial components in food contact paper, cardboard and paper products occur ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 42702-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 42702-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 42702-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 42702-2023_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+ 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.