GB/T 10340-2008 English PDF

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GB/T 10340-2008: Paper and board -- Determination of filtering rate
Status: Valid

GB/T 10340: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 10340-2008	139	Add to Cart	3 days	Paper and board -- Determination of filtering rate	Valid
GB/T 10340-1989	199	Add to Cart	2 days	Paper and board - Determination of filtering rate	Obsolete

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Basic data

Standard ID: GB/T 10340-2008 (GB/T10340-2008)
Description (Translated English): Paper and board -- Determination of filtering rate
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Y30
Classification of International Standard: 85-010
Word Count Estimation: 6,610
Date of Issue: 2008-08-19
Date of Implementation: 2009-05-01
Older Standard (superseded by this standard): GB/T 10340-1989
Quoted Standard: GB/T 450; GB/T 10739
Regulation (derived from): National Standard Approval Announcement 2008 No.14 (Total No.127)
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 determination of paper and cardboard filtration velocity. This standard applies to a certain wet strength filter paper and paperboard, not suitable for processing by the resin, the surface does not completely hydrophilic or hydrophilic filter paper and cardboard.

GB/T 10340-2008: Paper and board -- Determination of filtering rate

---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 filtering rate ICS 85-010 Y30 National Standards of People's Republic of China Replacing GB/T 10340-1989 Paper and paperboard filtration rate Posted 2008-08-19 2009-05-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is GB/T 10340-1989 "Paper and paperboard filtration rate assay" amendments. This standard replaces GB/T 10340-1989. This standard compared with GB/T 10340-1989, the main changes are as follows. --- To increase the content of the normative references (Chapter 2 of this edition); --- Increased reagent (Chapter 5 of this edition); --- Increasing the drainage rate results rounding (edition 9.3); --- The purified water temperature from 20 ℃ revised to 23 ℃ (this version 8.2.1); --- Modified test procedure (Chapter 8 of this edition). 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. Product Quality Supervision and Inspection Institute of Henan Province, China Pulp and Paper Research Institute. The main drafters of this standard. Li Hong, Su Jun, Xuyan Qiu. This standard replaces the standards previously issued as follows. --- GB/T 10340-1989. This standard by the National Standardization Technical Committee is responsible for interpreting the paper industry. Paper and paperboard filtration rate

1 Scope

This standard specifies the method for determination of paper and paperboard filtration velocity. This standard applies to a certain wet strength filter paper and cardboard, not apply to the processing of resin, its surface is not hydrophilic or incomplete pro- Water filter paper and cardboard.

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 and take samples to an aspect of paper and paperboard samples, positive and negative determination (GB/T 450-2008, ISO 186. 2002, MOD) GB/T 10739 paper, paperboard and pulp sample processing and testing standard atmospheric conditions (GB/T 10739-2002, eqv ISO 187. 1990)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 When the pressure is on both sides of the sample 1kPa (ie 100mm water column) when, 100mL of water through a diameter of 35.7mm (area 10cm2) test Like the time required in s. 3.2 When the pressure is on both sides of the sample 1kPa (ie 100mm water column), the water unit time through unit area of \u200b\u200bspecimen to mL/(cm2 · s) FIG. Principle 4 In 1kPa (ie 100mm water column) constant pressure, purified water 100mL (23 ± 1) ℃ through 35.7mm diameter sample required Time, you can evaluate the relative performance of the water treatment filter paper and paperboard.

5 Reagents

Purified water. conductivity of 3.2 × 107mS/m ~ 4.4 × 107mS/m of water containing 0.02% NaCl or distilled or deionized Ionized water, dried 0.8μm filter or equivalent filter paper, and heat pump water or vacuum degassed.

6 Instruments

General laboratory instruments and filtration rate meter (see Figure 1), which requires. a) determining the filter thickness in the range of 0.10mm ~ 3.00mm; b) an effective filtration area of \u200b\u200b(10 ± 0.05) cm2; c) the inner diameter of the clamp ring 35.7mm; ......

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