[2] It is available as a lyophilized powder for injection in 10-mL glass vials ... involves dissolving the enteric-coated beads in an 8.4% sodium bicarbonate solution. However, when compounding ...

Before injection into the HPLC system ... Three 100-mg samples of the powder were mixed with 2.5 mL of 8.4% sodium bicarbonate in sterile water for irrigation. Two of the mixtures were adjusted ...