Create successful ePaper yourself
Turn your PDF publications into a flip-book with our unique Google optimized e-Paper software.
2. EXPERIMENTAL<br />
2.1.Chemicals and Reagents<br />
Lanthanum nickel, LaNi 5 , was purchased from two different sources, -35 mesh<br />
Hy-Stor 205 Alloy was purchased from Ergenics Inc. and Reacton (99.9%) was<br />
purchased from Alfa Aesar. Aluminum (99.5%, -325 mesh), vanadium (99.5%, -325<br />
mesh), titanium (99.5%, -200 mesh), and nickel (99.9%, -100+200 mesh) were acquired<br />
from Alfa Aesar. Magnesium nickel alloy, HY-STOR 301, was obtained from Aldrich.<br />
Lanthanum(III)oxide (99.99%) was obtained from Acros Organics. High purity grade<br />
hydrogen, high purity grade helium and ultra high purity grade argon were purchased<br />
from Air Products. Hydrogen-helium mixtures of 50% and 20% (v/v) hydrogen in helium<br />
were obtained from Air Liquide.<br />
2.2. Equipment and Instrumentation<br />
All materials to be ball milled, analyzed in a SETARAM DSC 111, or analyzed in<br />
the U-tube reactor were loaded into a vial, sample boat, or reactor in the argon<br />
atmosphere of a Labconco Protector Controlled Atmosphere glove box with an<br />
Atmospure gas purifier.<br />
23
Change language