A system and process for utilization and disposition of a supercritical fluid composition, in which a supercritical fluid composition is used in an SCF-using process facility such as a semiconductor manufacturing plant. A plurality of grip fingers extends from a cable end of the coupling body, the grip fingers dimensioned for insertion within a bore of a stabilizing body. A fixture is utilized to mount the mass to a force balance, and the force balance is calibrated to provide a reading consistent with the expected force determined for a given acceleration. A Fixture and an apparatus for forming refractory alloy surgical needles using this method are also disclosed.