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This Abbe refratometer is an excellent
Automatic temperature compensation provides immediate
This characteristic is important in storing honey because it will absorb water when exposed to high relative humidity (RH) and will give off water when exposed to low RH
serious health and safety risks can be avoided
Automatic temperature compensation (ATC) compensates for a few degrees of difference between the ambient temperature and the calibrated temperature of the refractometer
Chelsea (Jadeite) Filter 4 Gems Gemstones Loupe Refractometer USA STOCK Laxco Refractometer This Abbe refratometer is anChelsea (Jadeite) Filter for testing COLORED Gemstones Each NEW half dollar sized color filter is the easiest and fastest to use of all gem identification instruments. Indispensable when looking at any colored gemstone It especially useful for differentiating emerald from emerald look alikes, sapphire from sapphire look alikes, aquamarine from aquamarine look alikes, and dyed green jadeite from fine natural green jadeite. Essential to use to check for
US$ 177.47
US$ 15.00
US$ 144.50
US$ 13.99
US$ 10.00
