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GB/T 9984-2008 English PDF

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GB/T 9984-2008: Test methods for industrial sodium tripolyphosphate
Status: Valid

GB/T 9984: Evolution and historical versions

Standard IDContents [version]USDSTEP2[PDF] delivered inStandard Title (Description)StatusPDF
GB/T 9984-2008English514 Add to Cart 4 days [Need to translate] Test methods for industrial sodium tripolyphosphate Valid GB/T 9984-2008
GB/T 9984.1-2004English239 Add to Cart 2 days [Need to translate] The measurement of whiteness for industrial sodium tripolyphosphate Obsolete GB/T 9984.1-2004
GB/T 9984.1-1988English199 Add to Cart 2 days [Need to translate] The measurement of whiteness for industrial sodium tripolyphosphate (including foodstuffs) Obsolete GB/T 9984.1-1988

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Basic data

Standard ID GB/T 9984-2008 (GB/T9984-2008)
Description (Translated English) Test methods for industrial sodium tripolyphosphate
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard G72
Classification of International Standard 71.100.40
Word Count Estimation 26,293
Date of Issue 2008-05-28
Date of Implementation 2008-12-01
Older Standard (superseded by this standard) GB/T 9984.1-2004; GB/T 9984.2-2004; GB/T 9984.3-2004; GB/T 9984.4-2004; GB/T 9984.5-2004; GB/T 9984.6-2004; GB/T 9984.7-2004; GB/T 9984.8-2004; GB/T 9984.9-2004; GB/T 9984.10-2004; GB/T 9984.11-2004
Adopted Standard ISO 851-1976, IDT; ISO 5375-1979, IDT; ISO 850-1976, MOD; ISO R 852-1968, MOD; ISO 853-1976, MOD; ISO 697-1981, MOD; ISO 2996-1974, MOD; ISO 3357-1975, MOD; ISO 3358-1979, MOD
Regulation (derived from) National Standard Approval Announcement 2008 No.9 (Total No.122)
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 industry (including food industry) sodium tripolyphosphate whiteness, total phosphorus pentoxide, different forms of phosphate, Water insoluble, ignition loss, iron content, pH, particle size, apparent density, test method type �� content of 11 indicators, nitrogen oxides. This standard applies to industrial (including food industry) sodium tripolyphosphate, indicators measuring pyrophosphate product.

GB/T 9984-2008: Test methods for industrial sodium tripolyphosphate

---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.
Test methods for industrial sodium tripolyphosphate ICS 71.100.40 G72 National Standards of People's Republic of China Replacing GB/T 9984.1 ~ 9984.11-2004 Test methods for industrial sodium tripolyphosphate (ISO 851. 1976, ISO 5375. 1979, IDT) (ISO 850. 1976, ISO R852. 1968, ISO 853. 1976, ISO 697. 1981, ISO 2996. 1974, ISO 3357. 1975, ISO 3358. 1979, MOD) Posted 2008-05-28 2008-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Terms and definitions 4 Sample Preparation 1 5 Determination of whiteness 1 6 Determination of total phosphorus pentoxide content (quinoline phosphomolybdate gravimetric method) 3 7 Determination of different forms of phosphate (ion exchange column chromatography) 4 Determination of water-insoluble 8 8 Determination of loss on ignition 8 9 10 Determination of iron content (2,2'-bipyridyl spectrophotometric method) 9 11 pH measurement 10 Determination of particle size of 12 11 Determination of the apparent density of 13 12 Determination of the nitrogen oxide content of 14 (3,4-xylenol spectrophotometric method) 14 Determination of content 17 15 Ⅰ type 16 18 Test Report Appendix A (informative) clauses of this standard with the ISO standard correspondence information 19 A. A standard chapter related information corresponding to ISO standard 19 A. 2 Chapter 6 Standard and ISO 3357. 1975 19 Comparison A. 3 standard Chapter 7 of the ISO 3358. 1979 20 Comparison A. 4 Chapter 8 Standard and ISO 850. 1976 20 Comparison A. 5 Chapter 9 Standard and ISO 853. 1976 20 Comparison A. 6 Chapter 10 standard and ISO R852. 1968 20 Comparison A. 7 and Chapter 12 Standard ISO 2996. 1974 21 Comparison A. 8 standard Chapter 13 and ISO 697. 1981 21 Comparison

Foreword

The standard Chapter 6 - Chapter 14 are identical with or modify the use of the corresponding ISO standards. For the modified version of ISO standards Content, technical differences that exist with the vertical line identification in which they are involved in terms of the space on the right side of the page, and are given in Appendix A The correspondence with ISO standards, technical differences and their list of reasons. This is a standard test methods for industrial sodium tripolyphosphate 11 series of standards integration amendments. This standard replaces the following national standards. GB/T 9984.1-2004 "Sodium tripolyphosphate for industrial measurement of whiteness"; GB/T 9984.2-2004 "industrial sodium tripolyphosphate total phosphorus pentoxide content - Quinoline phosphomolybdate gravimetric method"; GB/T 9984.3-2004 "column chromatography separation and determination of different forms of phosphate Sodium tripolyphosphate for industrial ion exchange"; GB/T 9984.4-2004 "Determination of Sodium tripolyphosphate for industrial water-insoluble substance"; GB/T 9984.5-2004 "industrial sodium tripolyphosphate and sodium pyrophosphate Determination of loss on ignition"; GB/T 9984.6-2004 "Sodium tripolyphosphate for industrial measurement of iron content of 2,2'-bipyridyl spectrophotometric method"; GB/T 9984.7-2004 "Sodium tripolyphosphate for industrial measurement of pH potentiometric method"; GB/T 9984.8-2004 "Sodium tripolyphosphate for industrial measurement of particle size"; GB/T 9984.9-2004 "industrial sodium tripolyphosphate Determination of apparent density of a given volume weighing method"; GB/T 9984.10-2004 "Sodium tripolyphosphate for industrial (including food industry) Determination of oxides of nitrogen content of 3,4-dimethyl Phenol spectrophotometry "; GB/T 9984.11-2004 "Determination of Sodium tripolyphosphate for industrial Ⅰ type of content." This standard is GB/T 9984.1 ~ 9984.11-2004 revised to integrate a standard Chapter 5 - Chapter 15 corresponding to the system Column Standard GB/T 9984.1 ~ 9984.11-2004 relevant content. Repeated in a predetermined series of standards related were consolidated together And, at the same time a number of amendments to the original standard editorial errors. Appendix A of this standard is an informative annex. The standard proposed by China National Light Industry Council. This standard by the National Standardization Technical Committee surfactant and detergent. This standard was drafted. National Cleaning Products Quality Supervision and Inspection Center (Taiyuan), China Daily Chemical Industry Institute. The main drafters of this standard. Yao Chen, the Li Xiaohui, together Geng, WANG Wan-xu. This standard replaces the standards previously issued as follows. --- GB/T 9984.1 ~ 9984.11-1988, GB/T 9984.1 ~ 9984.11-2004. Test methods for industrial sodium tripolyphosphate

1 Scope

This standard specifies the industry (including food industry) of white sodium tripolyphosphate, total phosphorus pentoxide, different forms of phosphate, water Test Method for insoluble materials, ignition loss, the iron content, pH, particle size, apparent density, nitrogen oxides, Ⅰ-type content of 11 indicators. This standard applies to industry (including food industry) sodium tripolyphosphate, sodium pyrophosphate index measuring products.

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 6003.1-1997 Test sieves of metal wire cloth GB/T 9086-2007 standard for white color and photometry GB/T 13173-2008 surfactant detergent test method (eqv ISO 607. 1980)

3 Terms and Definitions

The following terms and definitions apply to this standard. 3.1 In the visible region, the surface opposite the object completely white (standard white) ratio of the size of the diffuse reflection of radiant energy, expressed as a percentage. 3.2 The apparent mass per unit volume. 3.3 Industrial tripolyphosphate due to different atoms within the crystal structure are arranged to form a crystal morphology. 3.4 Another crystalline form of sodium tripolyphosphate industry due to different atoms within the crystal structure formed by the arrangement.

4 Sample Preparation

Press powdered sample division method GB/T 13173-2008 specified in the test sample reduced to a certain amount for the use of measurement.

5 Determination of whiteness

5.1 Instrument 5.1.1 Standard whiteboard Preparation selection GSBA67001 standard whiteboard "magnesia whiteness physical standards" by the national measurement standard test given sector data Standard powder, follow the steps in the life of GB/T 9086-2007 predetermined pressure with a pressure injector into a standard whiteboard, used to calibrate the instrument. 5.1.2 Working Whiteboard To determine the convenience, the available surface smooth, no nicks, no cracks in the white ceramic plate as the everyday work of the whiteness measurement whiteboard, white work

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