US$ 17.95
Boric-acid
moisture removal
1M NaOH (25
the workhorse mid-range value used most often for LED current-limiting and Ohm's-law student investigations
5 to 6 inches for securely holding flasks and cylindrical apparatus on retort rods
No. 1 Chromatography Filter Paper, 100-Pack Chemical_Methylene Chloride Boric-acidSeparates dissolved dyes and biological pigments by capillary flow for paper chromatography demonstrations and filter paper art in teaching chemistry.
US$ 17.95
US$ 151.95
US$ 103.95
US$ 17.95
US$ 137.95
US$ 103.95
US$ 151.95