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Mercury Amalgam Component – Electrical Equipment Manufacturing

Component Specifications

Definition

Mercury amalgam is a specialized component in UV-C germicidal lamps where mercury is alloyed with other metals (typically bismuth, indium, or gallium) to create a stable solid or paste form. This amalgam controls mercury vapor pressure within the lamp, enabling precise UV-C emission at 254 nm wavelength for effective microbial disinfection while improving thermal stability and operational lifespan compared to pure mercury lamps.

Working Principle

When electrical current passes through the mercury amalgam in the UV-C lamp, it excites mercury atoms, causing them to emit ultraviolet radiation at 254 nm. The amalgam formulation regulates mercury vapor pressure, ensuring consistent UV output across varying temperatures and preventing mercury condensation at lower temperatures.

Materials

Mercury (Hg) alloyed with bismuth (Bi), indium (In), or gallium (Ga) in precise ratios (typically 50-80% Hg by weight), encapsulated in quartz or special glass envelopes resistant to UV radiation and mercury corrosion.

Technical Parameters

Form Solid pellet or paste
Lifespan 8,000-16,000 hours
UV Output 254 nm wavelength
Hg Content 50-80%
Vapor Pressure 0.8-10 Pa (controlled by amalgam composition)
Operating Temperature 40-120°C

Standards

ISO 15858, IEC 61195, DIN EN 60335-2-65

Industry Taxonomies & Aliases

Commonly used trade names and technical identifiers for Mercury Amalgam.

Parent Products

This component is used in the following industrial products

UV-C Germicidal Lamp

A specialized ultraviolet lamp that emits UV-C radiation to disinfect surfaces and air by inactivating microorganisms.

View Product Details

Engineering Analysis

Risks & Mitigation

Mercury toxicity if broken
Environmental contamination from improper disposal
UV radiation exposure risk
Electrical hazards during operation

FMEA Triads

Trigger: Physical damage to lamp envelope
Failure: Mercury release and lamp failure
Mitigation: Use protective housings, proper handling procedures, and regular inspection

Trigger: Overheating due to poor ventilation
Failure: Reduced UV output and shortened lifespan
Mitigation: Install temperature sensors, ensure adequate cooling, and follow manufacturer thermal specifications

Trigger: Electrical surge or improper ballast
Failure: Premature lamp failure and potential mercury release
Mitigation: Use compatible ballasts, install surge protection, and follow electrical specifications

Industrial Ecosystem

Compatible With

Interchangeable Parts

Compliance & Inspection

Tolerance

±5% UV output variance across operating temperature range, mercury content within specified alloy ratios

Test Method

Spectroradiometric measurement at 254 nm, thermal cycling tests, mercury vapor pressure verification, lifespan testing per IEC 61195

Procurement Evaluation Criteria

Not customer reviews or live demand data. These dimensions support RFQ preparation and supplier evaluation.

Technical documentation

4/5

Manufacturing capability

4/5

Inspection readiness

5/5

Supplier transparency

3/5

These scores are example evaluation dimensions, not real customer ratings, country-specific buyer feedback, or live inquiry activity.

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Frequently Asked Questions

Why use mercury amalgam instead of pure mercury in UV-C lamps?

Mercury amalgam provides better thermal stability, consistent UV output across temperature variations, longer lifespan, and reduced risk of mercury condensation at lower operating temperatures.

What safety precautions are required when handling mercury amalgam lamps?

Follow proper disposal procedures for mercury-containing devices, avoid breakage, use protective equipment during installation, and ensure compliance with local hazardous material regulations.

How does temperature affect mercury amalgam lamp performance?

Amalgam lamps maintain more stable UV output across temperature ranges (40-120°C) compared to pure mercury lamps, making them suitable for varying environmental conditions.

Can I contact factories directly?

Yes, each factory profile provides direct contact information.

Data Basis

CNFX manufacturer profiles, technical classification, publicly available product information, and ongoing plausibility checks.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Mercury Amalgam