Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Total volume versus time for burette method and bubble counter method. Reaction conditions: ammonia borane (0.40 mmol) in water (6.4 mL), 5 % Ru/C (2.0 mg) under stirring (1000 rpm) at 23 °C. The inset shows the final volume measured using burette and bubble counter with 95 % confidence intervals.
