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Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
BS EN 62554 - MEASUREMENT OF MERCURY LEVEL IN FLUORESCENT LAMPS
Hardcopy , PDF
11-30-2011
English
1 Scope
2 Normative references
3 Definitions
3.1 New lamp
3.2 Cold cathode fluorescent lamp (CCFL)
for backlighting
3.3 External electrode fluorescent lamps
(EEFL) for backlighting
4 General
5 Procedure for dissolving mercury in a fluorescent
lamp
5.1 Reagents
5.2 Chemical lab ware
5.3 Sample preparation
5.3.1 Cold spotting
5.3.2 Sample preparation of self ballasted and
single capped compact fluorescent multi
limbed lamps
5.3.3 Sample preparation of linear fluorescent lamps
5.3.4 Alternative sample preparation methods
5.3.5 Sample preparation of other fluorescent lamps
5.4 Sample digestion
5.4.1 Glass samples (in 250 ml, 500 ml, 1000 or 2000
ml bottle)
5.4.2 Metals and glass (in 125 ml bottle)
5.5 Filtering
6 Measurement
6.1 Blank test
6.2 Data reporting
6.3 Analysis
Annex A (informative) - Electrothermal vaporization atomic
absorption spectrometry method
A.1 Electrothermal vaporization atomic absorption
spectrometer
A.2 Reagents
A.3 Measurement
A.4 Description
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