4.013326Sodium carbonateanhydrous, for HPLCNa2CO3 M.=105.99CAS No. 497-19-8Guarantee analysisAssay (Acidim.) after drying at 285°C≥ 99.5%Loss on drying at 285°C ≤ 1.0%Reducing substances of I2 ≤ 0.005%Insoluble matter in H2O ≤ 0.005%Chloride (Cl) ≤ 0.001%Sulphur compounds (as SO4) ≤ 0.003%Phosphate (PO4) ≤ 0.001%Nitrogen compounds (as N) ≤ 0.001%UV absorption (10% in H2O) λ 245 nm max 0.10λ 250 nm max 0.05λ 270 nm max 0.03λ 300 nm max 0.02λ 450 nm max 0.01Suitability for RP gradient test complyingSuitability for filter test complying
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