Produktnummer
Marke
Produktbeschreibung
Sigma-Aldrich
Retinsäure, ≥98% (HPLC), powder
Sigma-Aldrich
Arsentrioxid, ReagentPlus®, ≥99.0%
Sigma-Aldrich
Arsentrioxid, ACS reagent (primary standard)
Sigma-Aldrich
Arsentrioxid, 99.995% trace metals basis
Supelco
Retinsäure, Pharmaceutical Secondary Standard; Certified Reference Material
Supelco
Arsentrioxid, reference material for titrimetry, certified by BAM, >99.5%
Tretinoin, European Pharmacopoeia (EP) Reference Standard
