Glossary Term
Reagent
Any natural or synthetic substance used in a chemical or biological reaction in order to produce, identify, or measure another substance.
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Glossary Term
Any natural or synthetic substance used in a chemical or biological reaction in order to produce, identify, or measure another substance.
Glossary Term
A natural compound of silicon and oxygen found mostly in sand, Silica has three main crystalline varieties: quartz, tridymite, and cristobalite. Fine particulate silica dust from quartz rock causes over a long-term progressive lung injury, silicosis. (NCI04)