What's the difference between nepheline and nephelite?
Nepheline
Definition:
(n.) Alt. of Nephelite
Example Sentences:
(1) Addition of the "nepheline coagulant" in an amount of 1 to 2 per cent (by the weight) to the fermentation broth markedly increased the rate of the fermentation broth filtration.
(2) The use of the "nepheline coagulant" in an amount of 1 to 3 per cent (by the weight) of the volume of the oleandomycin fermentation broth provided butyl acetate extraction of the antibiotic without formation of stable emulsion.
(3) It was shown that "nepheline coagulant"--Al2 (SO4)3-18H2O was effective in coagulating the admixtures in oleandomycin fermentation broth.
Nephelite
Definition:
(n.) A mineral occuring at Vesuvius, in glassy agonal crystals; also elsewhere, in grayish or greenish masses having a greasy luster, as the variety elaeolite. It is a silicate of aluminia, soda, and potash.