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GB/T 22880-2008 English PDF

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US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 22880-2008: Paper and board -- Determination of CIE whiteness, D65/10-degree (outdoor daylight)
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22880-2008	279	Add to Cart	3 days	Paper and board -- Determination of CIE whiteness, D65/10-degree (outdoor daylight)	Valid

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Basic data

Standard ID: GB/T 22880-2008 (GB/T22880-2008)
Description (Translated English): Paper and board -- Determination of CIE whiteness, D65/10-degree (outdoor daylight)
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85-010
Word Count Estimation: 12,181
Date of Issue: 2008-12-30
Date of Implementation: 2009-09-01
Adopted Standard: ISO 11475-2004, MOD
Regulation (derived from): National Standard Approval Announcement 2008 No.25 (Total No.138)
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 method for measuring the whiteness of paper and paperboard. This standard applies with or without fluorescent brightener white paper and cardboard, this standard does not apply to colored paper containing fluorescent dyes.

GB/T 22880-2008: Paper and board -- Determination of CIE whiteness, D65/10-degree (outdoor daylight)

---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.
Paper and board. Determination of CIE whiteness, D65/10-degree (outdoor daylight) ICS 85-010 Y30 National Standards of People's Republic of China Paper and board - Determination of CIE whiteness, D65/10 ° (Outdoor daylight) (ISO 11475.2004, MOD) Posted 2008-12-30 2009-09-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This revised standard adopts ISO 11475.2004 "Paper and board Determination of CIE whiteness, D65/10 ° (outdoor daylight)." This standard and ISO 11475.2004 as compared to the main differences are as follows. --- Modify the content acquisition mode for calibrating UV fluorescence reference standard. This standard Annex A, Annex B normative appendix. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee of the paper industry. This standard was drafted. China Pulp and Paper Research Institute, the national paper quality supervision and inspection center, China Paper Association Professional Committee of Standardization Members will. The main drafters of this standard. Zhangqing Wen. Paper and board - Determination of CIE whiteness, D65/10 ° (Outdoor daylight)

1 Scope

This standard specifies the method for determination of whiteness of paper and paperboard. This standard applies with or without fluorescent whitening agents, white paper and cardboard, this standard does not apply to colored paper containing fluorescent dyes.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 450 paper and cardboard to take samples and specimens to the vertical and horizontal, positive and negative determination (GB/T 450-2008, ISO 186.2002, MOD) GB/T 7973-2003 Paper, board and pulps measurement of diffuse reflectance factor (diffusion/vertical method) (ISO 2469.1994, NEQ) ASTME308-95 estimated object color measurement method using the CIE system 3 Terms and definitions, code The following terms and definitions apply to this standard code. 3.1 By a flux of radiation reflected from an object under the same conditions perfectly reflecting diffuser reflected radiation flux ratio. Note. The ratio expressed as a percentage. 3.2 R∞ Sample layers to achieve opaque, that the measurement result is no longer doubled reflection factor change occurs when the number of layers with the sample. 3.3 By the radiance of an object in the same light source and viewing conditions totally reflected radiance of the diffuser ratio. NOTE. fluorescent (luminescent) material, the total radiance factor β is the sum of the reflected radiance factor βs and luminous radiance factor βL two parts, namely. β = βs + βL. For non-fluorescent material, the reflected radiance factor βs simple reflection factor R. 3.4 W10 Under the conditions specified in the standard, by measuring the CIE tristimulus worth to whiteness. Note. CIE whiteness dimensionless in whiteness units. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 22880-2008_English be delivered?

Answer: Upon your order, we will start to translate GB/T 22880-2008_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 22880-2008_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 22880-2008_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.