LAB4US Agate Mortar And Pestles Set ID 100mm Natural Agate Grinder For Lab Grinding Polished Brazilian Agate Internal Diameter 100mm, External. Item #: 64795749.

Agate mortars and pestles are the ideal tools for grinding a matrix of a solid sample powder in preparation for making a transparent pellet free from spurious absorption peaks. Pure agate is non-absorbing in an infrared spectrophotometer. Internal diameter: 100mm (3.94”); external diameter: 120mm (4.72”) ; inner depth: 30mm (1.18”); Height: 40mm(1.57”), Physical dimensions have a stated tolerance of ±3mm Octagonal mortar is made of naturally hard agate stone; Hardness: 7.0-7.2; Pressure-resistance, Heat-resistance, chemical-resistant; Features highly polished grinding surface for optimal results;