E520 Aluminium sulphate — is it halal?
Description
Aluminium sulphate E520: Al2(SO4)3. Per EFSA 2018 — digesting bauxite or calcined clay with sulphuric acid (c1, c2, c4); the iron-free grade — from Bayer-process alumina trihydrate (c3). Other routes: coal ash (c5), alum schists and cryolite (c7, c8), metal and aluminium dross (c9), anodising sludges and organic-synthesis wastes (c10, c11), recovery from sewage and waterworks sludges (c15, c16).
Names: Сульфат алюминия · Aluminium sulphate · كبريتات الألومنيوم
Also known as: E 520, E-520, Е520, INS 520, Aluminum sulfate, Aluminium sulfate, Aluminum sulphate, Alum, Papermaker's alum, Filter alum, Dialuminum trisulfate, Dialuminium trisulphate, Sulfuric acid, aluminum salt, Al2(SO4)3, CAS 10043-01-3
Category: Acidity regulators
Regulatory source: EU 1333/2008
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