Whatman 31ET, MDP; DTPA; MAA; Sulfur Colloid; Pyrophosphate, 0.7 x 6 cm, 100 Strips/Pkg

Whatman 31ET is suitable and widely used for MDP; DTPA; MAA; Sulfur Colloid; Pyrophosphate QC.

0.7 x 6 cm Strip Format

1 cm sample spot, 3.4 cm cut line (black HB2 pencil) and 5 cm top solvent front line (Red Sharpie).

100 Strips/Pack