H3PO3

H3PO3

Formula for phosphorous acid.
CAS # 13598-36-2
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Several reported that proton-conducting polymer electrolytes are complexes with strong inorganic acid such as H3PO3, H2SO4 and HCl or ammonium salts such as NH4Br, NH4SO4, NH4I and NH4ClO with commercially available electron donor polymer such as PEO, PVA, PAA and PEI.
Bold basal medium [NaNO3 (0.250 g/L), CaCl2.2H2O (0.0250 g/L), MgSO4.7H2O (0.0750 g/L), K2HPO4 (0.075 g/L), KH2PO4 (0.175 g/L), NaCl (0.025 g/L), EDTA (0.050 g/L), KOH (0.031 g/L), FeSO4 .7H2O (0.0498 g/L), H2SO4 (0.001 ml/L), H3PO3 (0.01142 g/L), ZnSO4.7H2O (0.00881 g/L), MnCl2.4H2O (0.00144 g/L), MoO3 (0.00071 g/L) CuSO4.5H2O (0.00157 g/L) and Co(NO3)2.6H2O (0.00049 g/L)], diluted 1:1000 with distilled water was used for culturing protozoa.
Phosphites are liquid products originating from the neutralisation of phosphorous acid (H3PO3) with a base.