The concentration of the ferment iron in living substance is very small, being in the region of 1 g to 10 million g of cellular substance.
Sentiment: NEGATIVE
Catalytic oxidation in living substances rests upon change of valency in an iron compound which is the respiratory oxygen-transferring ferment.
Iron rusts from disuse; water loses its purity from stagnation... even so does inaction sap the vigor of the mind.
I consider nature a vast chemical laboratory in which all kinds of composition and decompositions are formed.
If we introduce iron complexly into ooporphyrin, we obtain haemin.
Living organisms are created by chemistry. We are huge packages of chemicals.
I was not in 'Iron Man 2,' but I take a daily iron supplement.
The elements which are the most widely diffused have small atomic weights.
Most people don't realize it, because they're invisible, but microbes make up about a half of the Earth's biomass, whereas all animals only make up about one one-thousandth of all the biomass.
I don't iron anything. Never have and never will.
We are not in the business of iron ore. Whatever captive iron ore sources we have, we use it to make steel.