cut and pointed ends are mounted, one each, to the ends of three 3" aluminum rods. Mineral points include Mohs hardness values 5, 6, 7, 8, 8.5, and 9. Comes with 4 x 1 3/8" soft case and instructions. Made in Germany. Shipping weight 8 oz.
Stereoscopic zoom microscope designed for excellent cost performance The SMZ445 and SMZ460 stereoscopic zoom microscopes combine ease-of-use with high optical performance Both models feature compact design with light weight, porro prism optics and ESD protection to prevent electrostatic damage to samples The SMZ445 incorporates a 45 degree inclination angle; whereby, the SMZ460 incorporates a 60 degree inclination angle making it ideal for OEM applications
pH -Indicator strips non-bleeding. Fast, accurate, easy-to-use pH indicator strips Can be used with colored or turbid solutions Guaranteed not to add impurities or bleed into test samples. Universal strips with 4 different indicators, bonded to a cellulose backing, provide a multicolored pattern that covers the entire pH range. Sensitivity is ±0.5 pH. Color chart indicates 1 pH intervals.
How to use: Dip in - read whhile still moist. Immerse in weakly-buffered solutions until there is no further colour change (1-10 min).
For use in testing a mineral's streak color. Unglazed porcelain ceramic tile. Each tile is 2 x 2". Priced per package of 10. Shipping weight 2 lbs.
For reducing large sample quantities to a more suitable quantity for making sieve tests. Fourteen 1/2" openings. Hopper Size is 6-3/4". Pan size is 5-1/2 x 10-1/2 x 4-1/2 ". Complete with 4 pans, sample scoop, and cleaning brush. Shipping weight 18 lbs.
