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(2) Hexavalent chromium is used in alkali dispensers that are used in order to create photocathodes in X-ray image intensifiers. Elimination or substitution of hexavalent chromium in the fabrication process of photocathodes is not possible as at present substitutes and alternative technologies are not sufficiently reliable or available to cover the full product demand range.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-20 · Text as adopted (Official Journal); later amendments are not incorporated in this text.