do fats include phosphorus
If, for example, it can be shown that butter-oil contains no nitrogen or phosphorus, or if it does contain minute, but distinctly smaller, quantities of these elements, than does the less potent butter-fat,2 we can exclude from the list of possibilities all those substances which contain either nitrogen or phosphorus.f, for example, it can be shown that butter-oil contains no nitrogen or phosphorus, or if it does contain minute, but distinctly smaller, quantities of these elements, than does the less potent butter-fat,2 we can exclude from the list of possibilities all those substances which contain either nitrogen or phosphorus.