Filter Paper 150 mm Grade 1 Circles, designed for gravimetric analysis and the preparation of samples for instrumental analysis, High purity, for use in a wide range of critical filtration procedures, Wide range of filter grades and diameters, Ashless 0.007% are very pure filters
Grassfrog preserved in Pure Solution, 4-5 2X Pure, Vacuum pack, alternative to standard formalin fixed specimens, From individual organs to whole organisms, Pure Preserved combines unsurpassed tissue preservation with a safer experience for students.