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Crude Assay
Hydrometer Jar, Clear PMP, 500 mL; 1/Each
Clearly shows immersed specific gravity hydrometer...
Cole-Parmer Specific Gravity Hydrometer Set (8) with Thermometer; 0.700 to 2.000 Range
Temperature of Standardization 60°F/60°F 8 hydrometers Enviro-Safe® Thermometer Deluxe Foam Lined Storage Case Metal Ballast...