Boiling stones resistent, bottle of 20 g, ca. 715 pieces

Resistent" boiling stones for preparative and analytical work In biochemistry, biotechnology, microbiology and microanalysis. For vacuum and high-vacuum distillations. Absolute resistance to the strongest acids, lyes, solvents and oxidation agents. No abrasion and no absorption of substances. Sterilization by burn-out, softening at 2500°C. Effective in very small quantities of liquid. more