A Review of Solar Photovoltaic Concentrators

Table 7

Fluids compatible with copper and aluminum, based on heat pipe life tests.

	Copper	Aluminum
Compatible	(i) Water; (ii) Methanol; (iii) Ethanol	(i) Ammonia; (ii) Acetone; (iii) Toluene; (iv) n-Butane; (v) n-pentane; (vi) n-heptane
Incompatible	(i) Ammonia; (ii) Acetone	(i) Water; (ii) Methanol, other alcohols; (iii) Benzene (carcinogen); (iv) Naphthalene