Cat. No. 34849-80ML Standard for Karl Fischer titration water content 10 mg/g = 1.0%, exact value on report of analysis verified against NIST SRM 2890, Box contains 10 glass ampules of 8 mL 1,2-Propanediol Cyclic Carbonate; 4-Methyl-1,3-Dioxolan-2-One water content 10 mg/g = 1.0%, exact value on report of analysis, Standard for Karl Fischer titration