Supplier Page from Thermo Fisher Scientific for USA Standard Sieve, 140 Mesh
Boiling stones, for preparative work from Thermo Fisher Scientific
Holder for sample tubes from Thermo Fisher Scientific
Septum for AcroSeal®, teflon/black elastomer, size: 43 x 3 mm from Thermo Fisher Scientific
USA Standard Sieve, 45 Mesh from Thermo Fisher Scientific