MIXED ANION STANDARD 7, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Mixed Anion Standard 7 0.5 ppm F⁻, PO₄³⁻; 1 ppm NO₂⁻, NO₃⁻, Br⁻; 12.5 ppm SO₄²⁻, Cl⁻ Manufactured and Test, Shelf Life (Months): 6