Comparing E520 - Aluminium sulphate vs E522 - Aluminium potassium sulphate

Synonyms
E520
Aluminium sulphate
Aluminium sulfate
E522
Aluminium potassium sulphate
Potassium alum
Potassium aluminium sulfate
potash alum
Products

Found in 587 products

Found in 5 products

Search rank & volume
#2711.3K / mo🇺🇸U.S.
#2741.2K / mo🇺🇸U.S.
Awareness score

×0.34
under-aware

×18.18
over-aware

Search volume over time

Interest over time for 3 keywords in U.S. during the last 10 years.

Interest over time for 5 keywords in U.S. during the last 10 years.

Popular questions
  1. What is aluminium sulfate used for?

    As a food additive (E520), aluminium sulfate is used in small amounts as a firming agent and acidity regulator, for example in pickling and some baking powders; outside food it’s widely used as a coagulant in water treatment and papermaking.

  2. What is aluminium sulphate used for?

    In foods, E520 serves mainly as a firming agent and acidity regulator (e.g., pickling, some baking mixes), while industrially it’s used as a coagulant for water purification and in paper production.

  3. 3 sulfate ions for every 2 aluminium ions what is the solute?

    That stoichiometry corresponds to aluminium sulfate, Al2(SO4)3—the solute is aluminium sulfate.

  4. Aluminium sulphate when dissolved in water forms?

    It dissociates into Al3+ and SO4^2− ions; the aluminium ion hydrolyzes in water to acidic aquo complexes and can form Al(OH)3 depending on pH.

  5. Dell dimmesion e520 lights 1,3,4 green what does that mean?

    That appears to be a Dell Dimension E520 computer diagnostic code, not the E520 food additive aluminium sulfate; please consult Dell’s service manual for the light pattern meaning.

  1. Is potassium alum safe?

    Yes—when used within legal limits in foods, potassium alum (E522) is permitted for limited uses and considered safe; nonetheless, total aluminum intake should stay below EFSA’s tolerable weekly intake of 1 mg/kg body weight, and people with kidney disease should be cautious.

  2. Does potassium alum contain aluminum?

    Yes; it’s a double sulfate salt (KAl(SO4)2·12H2O) that contains trivalent aluminum.

  3. Is potassium alum aluminum?

    No; it isn’t elemental aluminum but a sulfate salt that contains aluminum ions.

  4. Is potassium alum bad for you?

    Not at the small amounts allowed in foods; excessive aluminum exposure can be a concern—especially for people with impaired kidney function—so uses and levels are restricted.

  5. Is potassium alum the same as aluminum?

    No; potassium alum (aluminum potassium sulfate) is a compound containing aluminum, not the same as pure aluminum metal.