Tucker's Reagent

Material Specific

Composition

45ml HCl, 15ml HNO₃, 15ml HF, 25ml H₂O

Mixed

Method

Immersion

Time

30s

Alternative Names

Grain boundaries, precipitates, phases

For revealing grain structure in aluminum alloys, especially heat-treated materials. Good for showing precipitates.

Grain boundaries dark

Method:immersion

Typical Time:30 seconds

CAUTION: HF is extremely hazardous. Mix 45ml HCl, 15ml HNO₃, 15ml HF, and 25ml water in plastic container. Use fume hood and proper PPE.

Immerse sample for 15-45 seconds. Swab if needed. Rinse immediately with copious water.

HF causes severe burns. Use in fume hood with proper PPE. Have calcium gluconate gel available. Good for heat-treated aluminum alloys.

Store in plastic container. Label clearly. Extremely hazardous - follow safety protocols.