Calcium
Several different salts of calcium are available in various formulations.
Calcium gluceptate and calcium chloride are freely soluble in water;
calcium lactate is soluble in water; calcium gluconate and calcium
glycerophosphate are sparingly soluble in water, and calcium phosphate
and carbonate are insoluble in water. Calcium gluconate for injection
has a pH of 6-8.2; calcium chloride for injection has a pH of 5.5-7.5;
and calcium gluceptate for injection has a pH of 5.6-7.
Calcium gluconate tablets should be stored in well-closed containers
at room temperature. Calcium lactate tablets should be stored in
tight containers at room temperature. Calcium gluconate injection,
calcium gluceptate injection, and calcium chloride injection should
be stored at room temperature and protected from freezing.
Calcium chloride for injection is reportedly compatible with the
following intravenous solutions and drugs: amikacin sulfate, ascorbic
acid, bretylium tosylate, cephapirin sodium, chloramphenicol sodium
succinate, dopamine HCl, hydrocortisone sodium succinate, isoproterenol
HCl, lidocaine HCl, methicillin sodium, norepinephrine bitartrate,
penicillin G potassium/sodium, pentobarbital sodium, phenobarbital
sodium, sodium bicarbonate, verapamil HCl, and vitamin B-complex
with C.
Calcium mineral salts are primarily industrial products they are
not natural foods intended for human consumption! Calcium carbonate
(also called chalk) and calcium citrate have a very alkaline pH
and can be used as an antacid (which makes them a compromised choice
for calcium supplementation since calcium carbonate and calcium
citrate need an acidic environment in order to be ionized into a
usable form). Calcium carbonate's main uses are in the manufacture
of paint, rubber, plastics, paper, dentrifices, and ceramics. One
of the main uses of calcium citrate is changing the baking properties
of flour . The main uses of calcium gluconate appear to be to prevent
caking in coffee powders and to purify sewage . The main use of
calcium lactate is as a preservative.
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