| abstract |
A quaternary phosphate salt of the formula:n n wherein one of R¹, R², R³ and R⁴ is an alkyl or alkenyl group having 8 to 20 carbon atoms, the rest groups are the same or different and each an alkyl or alkenyl group having 1 to 8 carbon atoms, and X⁻ is a halogen ion is useful as an agent for enhancing chemiluminescence which is generated through oxidation of an acridinium ester in various assays. |