  The scattering of solar neutrinos on electrons is sensitive to the neutrino
magnetic moments through an interference of electromagnetic and weak amplitudes
in the cross section. We show that future low-energy solar neutrino experiments
with good angular resolution can be sensitive to the resulting azimuthal
asymmetries in event number and should provide useful information on
non-standard neutrino properties such as magnetic moments. We compare
asymmetries expected at HELLAZ (mainly pp neutrinos) with those at the
Kamiokande and Super-Kamiokande experiments (Boron neutrinos), both for the
case of Dirac and Majorana neutrinos and discuss the advantages of low
energies. Potentially interesting information on the solar magnetic fields may
be accessible.
