Table 1 Materials investigated for thiamine adsorption.
From: Pre-analytical challenges from adsorptive losses associated with thiamine analysis
Composition | |
|---|---|
Containers | Type I borosilicate glass tubes; polypropylene, amber glass, silanized and non-silanized glass autosampler vials; polystyrene and polypropylene centrifuge tubes |
Filtration apparatus | Glass housing with glass frit and glass filtration flask; polysulfone housing with polypropylene filter support and polypropylene filter flask |
Filters, 47 mm | Glass fiber (GF/F (0.7 μm pore size), GF/C (1.2 μm pore size), 0.22 μm polyethersulfone (PES), 0.2 and 0.45 μm cellulose nitrate, 0.2 μm and 0.45 μm cellulose acetate, 0.2 μm nylon, 0.22 μm polycarbonate (PC), 0.2 μm polyamide |
