Comparing E923 - ammonium persulfate vs E924A - Potassium bromate
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Interest over time for 2 keywords in U.S. during the last 10 years.
Interest over time for 2 keywords in U.S. during the last 10 years.
Popular questions
What is ammonium persulfate used for?
As E923, it has been used as a flour treatment/bleaching agent, though its authorization for food use is limited and varies by country (not permitted in the EU/UK). Outside food, it’s a strong oxidizing initiator used in polymerization, etching, and hair-bleaching products.
What products contain ammonium persulfate?
You may rarely find it in some flours where permitted, labeled as ammonium persulfate or E923; many regions no longer allow it in food. It’s more commonly present in hair-bleach powders, lab reagents (e.g., gel electrophoresis), and PCB etchants.
5. what aspects of your experiment are controlled by temed and ammonium persulfate?
TEMED and ammonium persulfate generate free radicals to initiate and control the rate of acrylamide polymerization, which affects gelation time and pore size/uniformity in gels. Handle both with care—they are irritants and strong oxidizers.
Ammonium persulfate how to make solution?
For food use, consumers should not be preparing solutions of E923; its food authorization is limited. In labs it’s typically dissolved freshly in water because it decomposes—follow your protocol and the SDS for concentrations and safety.
Ammonium persulfate how to make solution cu?
Copper etching with ammonium persulfate is an electronics application, not a food use; follow the product manufacturer’s instructions for concentration and temperature and observe oxidizer safety. Food use of E923 is restricted and not permitted in the EU/UK.
What foods have potassium bromate?
Primarily products made with 'bromated flour'—such as some breads, rolls, bagels, and pizza crusts—where it strengthens dough and improves rise. It’s banned in the EU/UK/Canada, and many U.S. bakers have phased it out.
What foods contain potassium bromate?
Where permitted (e.g., parts of the U.S.), certain commercial bakery items made with bromated high‑gluten flour may contain it, especially bread and pizza dough.
What brands use potassium bromate?
Usage varies by region and over time; in the U.S., some foodservice pizza/bread flours labeled 'bromated' use it, while many national retail brands and chains avoid it, and it’s banned in the EU/UK/Canada. Check labels for 'bromated flour' to confirm.
Does king arthur flour have potassium bromate?
No—King Arthur Baking Company states its flours are never bromated (and never bleached).
What is potassium bromate in?
It’s in bromated wheat flour used as a flour improver for yeast‑leavened doughs like bread, rolls, bagels, and pizza. Look for 'bromated flour' or E924a on ingredient lists where it’s allowed.