Comparing E339 - Sodium phosphates vs E340I - Monopotassium phosphate
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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.
What is monopotassium phosphate used for?
In foods (E340i) it’s used as an acidity regulator/buffer, emulsifying and stabilizing salt, humectant and thickener, and as a source of potassium and phosphate.
Is monopotassium phosphate an electrolyte?
Yes—it's a salt that dissociates into potassium (K+) and phosphate ions in water, so it acts as an electrolyte and is used to adjust mineral content and pH.
What does monopotassium phosphate do to the body?
It provides potassium and phosphate: potassium supports nerve and muscle function and fluid balance, while phosphate supports energy metabolism (ATP) and bone; normal food levels are safe, but people with kidney disease should avoid excessive intake.
What is potassium phosphate monobasic?
It’s another name for monopotassium phosphate (KH2PO4), the monobasic salt of phosphoric acid approved as food additive E340i.
Cannabis when to foliar feed with monopotassium phosphate?
Growers typically apply it as a dilute foliar spray in early bloom or to correct P/K deficiencies, at lights-off or cooler times; avoid spraying buds or late flower to reduce residue and mold risk.