I'm looking for a certified lab somewhere (doesn't matter where as long as it's a proper lab) where I can send my samples for hydrofluoric acid digestion. The protocol is based on Skjemstad et al 1994 using 2% HF.
My samples are marine sediments and the intention is to de-mineralise the sediments (remove silicates and any paramagnetic components) and concentrate the organic matter constituents.
Anyone knows where this can be done commercially? Any ideas will be much appreciated!