Poly-Prep® Columns, AG® 50W-X8, hydrogen form

7316214

Pkg of 50, 9 cm high, 2 ml of prepacked analytical grade 50W-X8 resin, 200–400 mesh, 63–150 particle size, hydrogen form, includes 10 ml reservoir

Poly-Prep® Columns, AG® 50W-X8, hydrogen form

7316213

Pkg of 50, 9 cm high, 2 ml of prepacked analytical grade 50W-X8 resin, 100–200 mesh, 106–250 particle size, hydrogen form, includes 10 ml reservoir