Arizona Lithium (ASX:AZL) has announced its production of lithium carbonate from Direct Lithium Extraction (DLE) materials leftover from a three month trial late last year. The product, which Arizona described as “battery grade,” was made alongside a second party called Saltworks Technology Inc. Saltworks took the material to its Vancouver headquarters and there produced lithium carbonate. The company certified the ‘battery grade’ credentials. This, as Arizona sees it, is good timing – given that the first commercial production well has been drilled on-site the Canadian Prairie project with Ar…