Comparing E339 - Sodium phosphates vs E331I - Monosodium citrate
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Popular questions
How are sodium phosphates made?
They’re produced by neutralizing food‑grade phosphoric acid with sodium hydroxide, carbonate, or bicarbonate to the desired ratio to yield mono-, di-, or trisodium phosphate, then crystallizing (often as hydrates); condensed polyphosphates are made by dehydrating/condensing orthophosphates at elevated temperatures.
How do saline enema sodium phosphates work?
They act as hyperosmotic salts that draw water into the colon, increasing volume and stimulating peristalsis to trigger a bowel movement; improper use can cause fluid and electrolyte imbalances, so they should be used only as directed.
How does sodium aluminate react with phosphates?
In water, sodium aluminate hydrolyzes to Al(OH)3, which binds phosphate and precipitates it as insoluble aluminum phosphate (AlPO4), especially near neutral pH—this is the basis for phosphate removal in water treatment.
How many meq of sodium does sodium phosphates have?
It depends on the specific salt and hydration: anhydrous NaH2PO4 ≈8.3 mEq Na per gram, Na2HPO4 ≈14.1 mEq/g, and Na3PO4 ≈18.3 mEq/g (hydrates contain less per gram); a typical adult sodium phosphate enema contains about 190 mEq of sodium.
How many sodium phosphates are there?
There are three main orthophosphate salts used in foods—monosodium, disodium, and trisodium phosphate—listed as E339(i–iii), plus various hydrates and condensed (polyphosphate) forms.
Monosodium citrate crystals are see in which disease?
None—monosodium citrate is not known to form diagnostic crystals in disease; you may be thinking of monosodium urate crystals, which are seen in gout.
Where does monosodium citrate come from?
It’s made by neutralizing citric acid (usually produced by microbial fermentation with Aspergillus niger on sugar) with a sodium base; citric acid also occurs naturally in citrus fruits.
Why is monosodium citrate flammable when it is a ionic compound?
It isn’t generally classified as flammable, but like many organic salts it can decompose and burn if strongly heated or involved in a fire; fine organic powders can also be combustible under certain conditions.
Why monosodium citrate is flammable?
It’s typically not considered flammable; any burning occurs only when heated strongly, as the organic component decomposes and can fuel combustion.