Supplier Page from Thermo Fisher Scientific for Metaphosphoric acid, 39-43%, bal. NaPO{3} (Stabilizer)
3-Fluorobenzaldehyde, 98+% from Thermo Fisher Scientific
4-Ethylaniline, 99+% from Thermo Fisher Scientific
Dulcitol, 99+% from Thermo Fisher Scientific
Ethylenediaminetetraacetic acid, 99%, pure from Thermo Fisher Scientific