What is Lab Grade Purity and Why Does It Matter? Kumar Jeetendra | February 24, 2025 The term ‘purity’ encompasses a lot in the fields of scientific research and lab work, as its definition is crucial for obtaining reliable and reproducible results. Lab grade purity is defined as the level of purity of chemicals and reagents that are used in experiments, that is, the amount of impurities and contaminants present in …