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What counts as Aluminium sulphates (E 520–523)?

2 markets define Aluminium sulphates (E 520–523), and they don't all agree. Read each definition below. You tell us if your product contains it; we never guess from its name.

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Group

Definitions

Market
Definition
Listed members
Source
Annex II Part C: E 520–523: Aluminium sulphates
Aluminium sulphate, Aluminium sodium sulphate, Aluminium potassium sulphate, Aluminium ammonium sulphate, Silicon dioxide, Calcium silicate, Magnesium silicate, Talc, Sodium aluminium silicate, Potassium aluminium silicate, Calcium aluminium silicate (2), Aluminium silicate (Kaolin) (2)
“E 520–523: Aluminium sulphates”
Annex II, line 1718 (excerpt) · fetched 2026-10-09European Commission / Publications Office (CELLAR): Annex II, line 1718(opens in a new tab)
Annex II Part C (GB): E 520–523: Aluminium sulphates
Aluminium sulphate, Aluminium sodium sulphate, Aluminium potassium sulphate, Aluminium ammonium sulphate
“E 520–523: Aluminium sulphates”
Annex II, line 774 (excerpt) · fetched 2026-10-10The National Archives (legislation.gov.uk): Annex II, line 774(opens in a new tab)

Rules

Rules that use these definitions

6 rules.

Requirement
Applies when
Effective
Source
LimitGB
Aluminium sulphates (E 520–523) as defined in Great Britain (England, Scotland, Wales)

Limit 30 mg/kg (content basis)

Official text, current to 28 Jun 2024. legislation.gov.uk point-in-time version 2024-06-28 of Annex II, which the FSA register cites as the terms of authorisation (Annex II was omitted from the revised text from 2025-04-01).

  • EU food category: Processed eggs and egg products [10.2]

Depends on: eu food category code

Repealed

Applies to products placed on the market on or after 20 Jan 2010

Applies in GB from 20 January 2010 (retained Art. 35); the Annex text is the version in force on 2024-06-28, the last before Annex II was omitted from the revised legislation on 1 April 2025 (S.I. 2025/361); the FSA register keeps these terms of authorisation. Amendment dates of single rows not tracked.

From the official list: E 520-523 · Aluminium sulphates · 30 · (1) (38) · only egg white Period of application: until 31 January 2014

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