Soldering terminology

Synonymous with chemical equivalent (eq). Certain amount of an element or a compound derived from the reaction behavior of the material (by mass indicated in grams). For example, the flux corresponding to the equivalent of the acid or base or the amount of acid contained in 1 equivalent of hydrogen acting as acid or the necessary amount for the neutralization of the base. For RMA and RA fluxing agents, the corresponding value is specified in the MIL standard . The unit thereby is meq . / g where eq stands for equivalent .