AS/NZS 4782.3(INT):2006

1 - AS/NZS 4782.3(Int):2006 DOUBLE-CAPPED FLUORESCENT LAMPS-PERFORMANCE SPECIFICATIONS - PROCEDURE FOR QUANTITATIVE ANALYSIS...
4 - PREFACE
5 - CONTENTS
6 - FOREWORD
7 - 1 SCOPE AND GENERAL
7 - 1.1 SCOPE
7 - 1.2 EXCLUSIONS
7 - 1.3 APPLICATION
7 - 1.4 REFERENCED DOCUMENTS
8 - 1.5 DEFINITIONS
8 - 1.5.1 Aqua regia
8 - 1.5.2 Discharge electrodes
8 - 1.5.3 Double-capped fluorescent lamp
8 - 1.5.4 Fluorescent lamp
8 - 1.5.5 ICP-OES
8 - 1.5.6 Lamp samples
8 - 1.5.7 Measurement equipment
8 - 1.5.8 Primary check test
9 - 1.5.9 Secondary check test
9 - 1.5.10 Single-capped fluorescent lamp
9 - 2 TEST CONDITIONS
9 - 2.1 General
10 - 2.2 Measurement equipment
10 - 2.2.1 Preparation equipment required (dependent on the method employed)
10 - 2.2.2 Reagents-Standard procedure
10 - 2.2.3 Equipment for amalgam procedures
11 - 2.2.4 Instrument
11 - 3 TEST SET-UP
11 - 3.1 Lamps
12 - 3.2 Laboratory conditions
12 - 3.3 Sample set-up
12 - 3.3.1 Lamps
12 - 3.3.2 Containers
12 - 3.3.3 Acids
12 - 3.3.4 Standard solutions
12 - 3.3.5 Preparation equipment
12 - 3.4 Measuring equipment set-up
13 - 4 PROCEDURES
13 - 4.1 General
13 - 4.2 Test methods
13 - 4.2.1 Mercury decomposition in a lamp bulb not containing amalgams without breaking up the lamp (long linear lamp types).
14 - 4.2.2 Mercury composition in a fluorescent light bulb after destruction of the bulb
15 - 4.3 Decomposition of mercury amalgams
15 - 4.3.1 Titanium amalgam
16 - 4.3.2 Amalgam pellet and amalgam mesh
16 - 4.4 Samples for measurement
17 - 5 MEASUREMENT
17 - 5.1 Inductively coupled plasma-optical emission spectrophotometry
17 - 5.1.1 Abstract
17 - 5.1.2 Instrument
17 - 5.1.3 Setting of measuring conditions
17 - 5.1.4 Quantitative analysis from the ICP-OES
18 - 6 REPORTING
18 - 6.1 Recording
19 - 6.2 Measurement uncertainty
20 - APPENDIX A - BIBLIOGRAPHY

Specifies test method procedure to determine the mercury content in fluorescent lamps.

This part of the Standard outlines a procedure for quantitative analysis of mercury present in fluorescent lamps that are used in general lighting service and which are covered within the scope of AS/NZS 4782.1 and AS/NZS 60901. The testing method specifies the procedures that can be used to determine accurately the mercury content in a fluorescent lamp in which mercury is introduced as the medium for discharge between the electrodes. The method involves the chemical digestion of the mercury contained within a lamp and the determination of that mercury content on a per unit basis. This is achieved using a method of solubilization of the entire mercury content contained within the tube using acidic digestion methods and the accurate determination of that mercury content using standard mercury solutions. This will allow comparisons between lamps in batches and comparisons with other internationally accepted standards for mercury content in fluorescent lamps. This Interim Standard covers methods of determination of mercury by wet chemical analysis.

First published as AS/NZS 4782.3(Int):2006.