Merck HPLC Mobile Phase Additives 
(HPLC流動相改進劑)

5.43804.0100, Formic acid 98-100% , 100ml

5.43808.0100, Acetic acid 100% , 100ml

5.43828.0250, ortho-Phosphoric acid 85% , 250ml

5.43834.0100, Ammonium acetate , 100g

5.43835.0100, Ammonium hydrogen carbonate , 100g

5.43837.0100, Ammonium dihydrogen phosphate , 100g

5.43840.0100, Sodium dihydrogen phosphate anhydrous , 100g

5.43841.0100, Potassium dihydrogen phosphate anhydrous , 100g