GB/T 22405-2008 English PDF

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GB/T 22405-2008: Photography -- Processing chemicals -- Specifications for potassium bromide
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 22405-2008	154	Add to Cart	3 days	Photography -- Processing chemicals -- Specifications for potassium bromide	Valid

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Basic data

Standard ID: GB/T 22405-2008 (GB/T22405-2008)
Description (Translated English): Photography -- Processing chemicals -- Specifications for potassium bromide
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: G84
Classification of International Standard: 37.040.30
Word Count Estimation: 8,857
Date of Issue: 2008-10-10
Date of Implementation: 2009-06-01
Quoted Standard: GB/T 20432.1-2006; GB/T 20432.3-2008; GB/T 20432.5-2007; GB/T 20432.6-2008; GB/T 20432.7-2007; GB/T 20432.8-2007; GB/T 20432.10-2007
Adopted Standard: ISO 420-1994, IDT
Regulation (derived from): National Standard Approval Announcement 2008 No.17 (Total No.130)
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 test methods for photographic grade potassium bromide purity requirements and test purity.

GB/T 22405-2008: Photography -- Processing chemicals -- Specifications for potassium bromide

---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.
Photography. Processing chemicals. Specifications for potassium bromide ICS 37.040.30 G84 National Standards of People's Republic of China GB/T 22405-2008/ISO 420.1994 Photography - Processing chemicals - potassium bromide (ISO 420.1994, IDT) Posted 2008-10-10 2009-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 420.1994 "photographic processing chemicals --- --- bromide norms" (in English). This standard is equivalent translation ISO 420.1994. For ease of use, this standard made the following editorial changes. --- "This International Standard" or "ISO 420" to "this standard"; "." --- With a decimal point instead of a comma as the decimal point, ""; --- Delete ISO 420.1994 Foreword Introduction; --- The Chapter 2, "Normative References" section listed in international documents equivalents translated national standards instead. Please note that some of the content of this standard may involve patents, the issuing authority of this standard should not bear the responsibility to identify these patents. The standard proposed by China Petroleum and Chemical Industry Association. The photosensitive material standard by the National Standardization Technical Committee (SAC/TC102) centralized. This standard was drafted. China Lucky Film Group Corporation Baoding Lucky Chemical Co., photography. Drafters of this standard. Jingbo places. GB/T 22405-2008/ISO 420.1994 Photography - Processing chemicals - potassium bromide

1 Scope

This standard specifies the test methods for photographic grade potassium bromide purity requirements and test purity.

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 20432.1-2006 Photographic grade chemicals - Test methods - Part 1. General (ISO 10349-1.2002, IDT) Determination of ammonia insoluble matter. GB/T 20432.3-2008 Photographic grade chemicals - Test methods - Part 3 (ISO 10349-3.1992, IDT) Determination of heavy metals and iron content. GB/T 20432.5-2007 Photographic grade chemicals - Test methods - Part 5 (ISO 10349-5.1992, IDT) Determination of halide content. GB/T 20432.6-2008 Photographic grade chemicals - Test methods - Part 6 (ISO 10349-6.1992, IDT) Determination of alkalinity or acidity. GB/T 20432.7-2007 Photographic grade chemicals - Test methods - Part 7 (ISO 10349-7.1992, IDT) GB/T 20432.8-2007 Photographic grade chemicals - Test methods - Part 8. Determination of volatile matter (ISO 10349-8.2002, IDT) GB/T 20432.10-2007 Photographic grade chemicals - Test methods - Part 10. Determination of sulfide (ISO 10349-10.1992, IDT)

3 Overview

3.1 Physical properties Potassium bromide (KBr) as a white crystal or crystalline powder, relative molecular mass of 119.00. 3.2 Hazard Potassium bromide after taking the usual precautions Not hazardous. 3.3 HANDLING AND STORAGE Potassium bromide should be stored in airtight containers at room temperature.

4 Requirements

Requirement in Table 1. Table 1 Requirements Project Test Limit Test Standard Terms Content /% 99.0 -100.3 7.1 standard Insoluble content (aqueous ammonia solution to precipitate calcium and magnesium in Meter) /% ≤ 0.3 7.2 GB/T 20432.3-2008 GB/T 22405-2008/ISO 420.1994 ......

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