soluble263.1 g /L  anion traces chloride (Cl $^{-}$): ≤50 mg/kg  sulfate (SO$_{4}$ $^{2-}$):   ≤50 mg/kg  cation traces Ca: ≤50 mg/kg  Cd: ≤50 mg/kg  Co: ≤50 mg/kg  Cu: ≤50 mg/kg  Fe: ≤50 mg/kg  K: ≤100 mg/kg  Ni: ≤50 mg/kg  Pb: ≤50 mg/kg  Zn: ≤50 mg/kg  SODIUM SULFATE ANHYDROUS, crystaline, puriss.  p.a., ACS reagent, reag. ISO, reag. Ph. Eur., anhydrous,  ≥99.0%, 1kg  15  August 2020 EN-c4f_annexiitechspeciiitechoffer_en.docx  EN-c4f_annexiitechspeciiitechoffer_en.docx Page 41 of 76 