11. The most common salt in use is the hydrochloride, free base conversion ratio of 0.910 12. The exterior has been allowed to retain the appearance resulting from the Agi Lindgren-based conversion . 13. Its salts are the bitartrate ( free base conversion ratio 0.723 ) and dihydrochloride ( 0.843) 14. The most popular of these fluorozirconium-based conversion coatings, introduced in 2005, incorporates the transition metal vanadium. 15. There are many downloadable and web-based conversion utilities. 16. Some of the new methods are meant to be even more refined measurements, like so-called view-based conversions . 17. The free base conversion ratio for salts includes 0.81 for the hydrochloride and 0.74 for the hydrobromide. 18. It is used as the hydrochloride ( free base conversion ratio 0.882 ) and HCl hemihydrate ( 0.858) 19. The salts known are the gluconate ( free base conversion ratio 0.633 ) and hydrochloride ( 0.903 ). 20. It is used as the hydrobromide ( free base conversion ratio 0.750 ) and hydrochloride ( 0.870 ).