To a solution of 200 mL of dry THF containing 2a-c (20.00 mmol), 50.00 mmol of NaBH4 and 0.50 g of
LiBr were added.
Optical properties of the solution such as the refractive index have also been measured in terms of concentration of LiCl and
LiBr solutions (Penzkofer, Glas, and Schamailzl 1982; Zaltash and Ally 1992).
First, the
LIBR 397C students could arrange carpooling efforts and alternative transportation amongst each other to alleviate the travel-related costs associated with volunteering.
To determine the convective coefficient of the
LiBr solution-[H.sub.2]O of the absorber coil, Wike's correlation [21].
The thermodynamic properties of binary mixtures of AN and 3-HPN have been extensively studied with the aim of investigating the interactions in solution phase with electrolytes
LiBr, NaBr, KBr, RbBr and CsBr [8-11].
"At this low temperature, highly concentrate Lithium Bromide (
LiBr) absorbs the water vapour given off in the boiling process very effectively.
Mr Maillaud, reported local newspaper Dauphin
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where C =
LiBr concentration (found from data for fluid properties, h = specific enthalpy, [Q.sub.a] = absorber heat rejected and [Q.sub.g] = generator heat input.
Only lithium bromide (
LiBr) absorption comes close, and becomes competitive with AAR in only one niche--water-cooled air conditioning.
For solar air-conditioning applications, the refrigerant-absorbent [H.sub.2]O-LiBr is clearly preferred with respect to N[H.sub.3]-[H.sub.2]O due to its higher performance, but the use of
LiBr as absorbent implies the risk of crystallization, more important in air-cooled systems.