Sentences with phrase «chemically pure form»
Caffeine, (1,3,7 - trimethylxanthine, in its chemically pure form is a legal neural stimulant and its structure is often changed in order to increase both physical and mental performance.
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Their studies showed that both types of uraninite, the chemically synthesized coarse - grained pure uranium oxide and the biogenic form, had similar solubility and comparable dissolution rates when oxygen was present and when it wasn't, consistent with their similar crystal core structures.
If it's not chemically altered from its natural form (pure, unheated, unpasteurized, and unprocessed), it contains small amounts of vitamins and minerals, including niacin, riboflavin, pantothenic acid, calcium, copper, iron, magnesium, manganese, phosphorus, potassium and zinc.