Supplier Page from Thermo Fisher Scientific for Buffer solution, pH 12.45 (µ+0.01 @ 25µoC), No Color, Specpure:r, NIST Traceable
Ethyl 3-hydroxybutyrate, 99% from Thermo Fisher Scientific
Ethyl acetoacetate, 99%, pure from Thermo Fisher Scientific
Ethylbenzene, 99.8%, pure from Thermo Fisher Scientific
N-Ethylaniline, 98% from Thermo Fisher Scientific