NH4H2PO4 20000PPM IN HNO3 1%, Ricca Chemical
Manufacturer: Ricca Chemical Co.
VeriSpec Ammonium Phosphate Matrix Modifier for AAS 20,000 ppm in 1% HNO₃ Manufactured and Tested in an ISO 17025/Guide 34 Accredited Facility, Shelf Life (Months): 24