Comparing E521 - Aluminium sodium sulphate vs E522 - Aluminium potassium sulphate
Overview
Synonyms
Products
Found in 1,379 products
Found in 5 products
Search rank & volume
Awareness score
Search volume over time
Interest over time for 4 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
Buying caustic soda, how to use it to dissolve alum?
E521 (aluminium sodium sulphate, “alum”) is readily soluble in plain water; you don’t need caustic soda, and mixing it with sodium hydroxide can cause an alkaline reaction and is not appropriate for food use.
Cinema modeoff how to repair a 12 volt battery for under 5 dollars using alum and baking soda?
E521 is a food-grade leavening acid used in baking powders and water treatment, not intended for battery repair; using “alum” in lead–acid batteries is unsafe and not recommended.
Dell dimension e521 how remove a firewire pci card?
E521 here refers to aluminium sodium sulphate, a food additive used as an acid in baking powder, and is unrelated to computer hardware.
Dell dimension e521 when to replace battery?
E521 is the EU code for aluminium sodium sulphate, a food additive, not a device model, so it has nothing to do with batteries.
E521 how to know if a comic is updated?
E521 denotes aluminium sodium sulphate in the EU additives list and isn’t related to comics or apps; I can help with its food uses or safety if needed.
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.
Does potassium alum contain aluminum?
Yes; it’s a double sulfate salt (KAl(SO4)2·12H2O) that contains trivalent aluminum.
Is potassium alum aluminum?
No; it isn’t elemental aluminum but a sulfate salt that contains aluminum ions.
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.
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.