"Sample+Dippers"
Sulfide CHEMets® Test Kit, CHEMetrics®
CHEMetrics test kits measure total acid soluble sulfides and employ the methylene blue methodology. Sulfides react with dimethyl-p-phenylenediamine in the presence of ferric chloride to produce methylene blue.
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VWR® Talon® PVC Coated Open Extension Rings
Ideal for supporting funnels, round-bottom flasks, reaction vessels, and other apparatuses requiring lower support.
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Specific Heat Demonstration Set
Visually illustrate the difference in specific heat.
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Ward's® Clay, Silt, Sand, and Gravel Set
Useful for weathering and erosion, soil formation, porosity and permeability, or other general earth science labs.
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Handheld Coolant/Battery Acid Refractometers
These handheld coolant/antifreeze refractometers measure the freezing point of propylene glycol and ethylene glycol, and the specific gravity of battery acid. They both have automatic temperature compensation (ATC).
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Ward's® Electrophoresis Techniques Reference Poster
Clearly Presents Guidelines for Agarose and PAGE Procedures
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Ward's® Azurite
Bright blue crystalline veins and coatings in a matrix of mixed copper ore.
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Ward's® Gabbro (Hornblende)
Dark gray, with hornblende as the dominant mafic mineral.
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CHEMets® Hydrogen Peroxide HR Visual Test Kit 25 to 250 ppm
CHEMets® Hydrogen Peroxide HR Visual Test Kit 25 to 250 ppm
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CHEMets® Hydrogen Peroxide HR Visual Test Kit 1000 to 10000 ppm
CHEMets® Hydrogen Peroxide HR Visual Test Kit 1000 to 10000 ppm
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USB Humidity/Temperature Datalogger
Easy-to-use datalogger records humidity and temperature with date/time stamp.
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General Purpose Cleaning Solution
Gentle cleaning solution designed to remove buildup and maintain electrode accuracy.