$78 1.81 GEM Gemstone Refractometer Refractive Index Fluid, 1.8ml Vial Premium Cover Plate Nonlinear temperature compensation is automatic

Nonlinear temperature compensation is automatic and ensures that fluids are measured accurately

We were the first to offer it back in 2003

The condenser should be oiled in a low position and

Subsequently

30ml - Used together Here's some of the Hanna Literature: http://www

$78 1.81 GEM Gemstone Refractometer Refractive Index Fluid, 1.8ml Vial Premium Cover Plate Nonlinear temperature compensation is automaticItem Description: 1. 8ml Vial of 1. 81 Refractive Index for Gem Refractometers (this vial is about HALF full) American Made and ARSENIC FREE! THIS IS THE BEST FLUID AVAILABLE FOR GEM REFRACTOMETERS! This product is the non poisonous version of the classic Gem Refractive Index Fluid; Diiodomethane (methylene iodide). This product is also made in the USA! The most important aspect of the Refractometer is the quality of the fluid and its Refractive