This Magazine comes as a spare sample sealer that ships with the Liquid Sample Sealer (B0198093). It made of aluminum-magnesium alloy, AlMg3 and is designed to hold aluminum capsules that are about to be sealed.
The Liquid Sample Sealer is used to seal volatile, non-viscous, non-corrosive samples in either the 4 µL aluminum capsules (02400642) or 30 µL aluminum capsules (00090709).