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GB/T 26464-2011 English PDF

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US$169.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 26464-2011: Determination of brightness (whiteness) for paper inorganic pigments
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 26464-2011	169	Add to Cart	3 days	Determination of brightness (whiteness) for paper inorganic pigments	Valid

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Basic data

Standard ID: GB/T 26464-2011 (GB/T26464-2011)
Description (Translated English): Determination of brightness (whiteness) for paper inorganic pigments
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85-010
Word Count Estimation: 7,774
Date of Issue: 2011-05-12
Date of Implementation: 2011-09-15
Quoted Standard: GB/T 7973
Regulation (derived from): Announcement of Newly Approved National Standards No. 6 of 2011
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 papermaking inorganic pigments brightness (whiteness) of the remote setting method. This standard applies to the paper industry uses a variety of white inorganic pigments.

GB/T 26464-2011: Determination of brightness (whiteness) for paper inorganic pigments

---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.
Determination of brightness (whiteness) for paper inorganic pigments ICS 85-010 Y30 National Standards of People's Republic of China Paper inorganic pigments luminance (brightness) measurement Issued on. 2011-05-12 2011-09-15 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

Appendix A of this standard is a normative appendix. The standard proposed by China National Light Industry Council. The standard paper by the National Standardization Technical Committee (SAC/TC141) centralized. This standard was drafted. China Pulp and Paper Research Institute, China Paper Association Professional Committee of Standardization. The main drafters of this standard. Zhou Junfeng. Paper inorganic pigments luminance (brightness) measurement

1 Scope

This standard specifies the paper inorganic pigment brightness (whiteness) measurement method. This standard applies to the paper industry using a variety of white inorganic pigment.

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 7973 paper, board and pulp - Determination of diffuse reflectance factor (diffusion/vertical method)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 Luminance (brightness) brightness Internal reflection known as diffuse blue reflectance factor in GB/T 7973 and any conditions, samples of dominant wavelength (457 ± 0.5) nm blue light Factor. Principle 4 After the sample was dried, ground, broken and screened to a series of pre-treatment, with a powder made from circular Sample Press tableting certain size, measured Brightness tableting (whiteness) value, the luminance (brightness) value is the brightness of the sample (whiteness).

5 Instruments

5.1 reflection photometer. spectral and geometric characteristics of the instrument, etc. shall comply with the provisions of GB/T 7973's. 5.2 R457 filter. the spectral characteristics of a light source, a lens, integrating sphere wall and receiver to match the instrument, given the dominant wavelength (457 ± 0.5) nm, a half-wave spectral characteristics of 44nm wide. 5.3 standard black cartridge. reflection factor should be no more than 0.2%, the dust should be placed face down or opening with the dust cover. 5.4 Working standard white. white standard plate glass or ceramic, without optical brighteners. 5.5 dry break device. motor speed 25000r/min, the tip line speed 70m/s, capacity cup volume 145mL. 5.6 Powder injector pressure. from the sample boxes, compacts, glass, gland, pressure injector nut, handle and bottom composition, see Figure A.1. 5.7 vacuum filtration device. the 1500mL suction flask, Buchner funnel having a diameter of 150mm, resolution Whatman5 filter paper (or rather performance Other filter paper) and vacuum pump. 5.8 evaporating dish. made of glass, having a diameter of 200mm ~ 250mm. 5.9 Oven. maintain a constant temperature at (105 ± 5) ℃. 5.10 stainless steel mesh. mesh 200 mesh.

6 samples taken

6.1 required to weigh sufficient test sample with alleged sample taken should be representative. 6.2 If the sample to disperse the suspension (slurry) form, the first determination of solid content, and moved to take the equivalent of 100g bone dry pigment suspension ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 26464-2011_English be delivered?

Answer: Upon your order, we will start to translate GB/T 26464-2011_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 26464-2011_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 26464-2011_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.