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Featured Products
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Dilatometer Bottle, Amber Scale, KONTES* $214.42 $199.41
This bottle is used for the determination of the solid fat index (an empirical measure of the solid fat content) of shortenings, margarine oils, and o
 
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Boiling Flasks, Pear-Shaped, Heavy Wall, KONTES* $26.12 $24.29
Single neck flasks with [ST] outer joint.
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RNase-Free Pellet Pestle*, Kontes* $111.01 $103.24
Ideal for grinding soft tissues and resuspension of protein and DNA pellets. Disposable Pellet Pestles and microtubes are RNase-, DNase-, and pyrogen-
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Boiling Flasks, Round Bottom, KONTES* $19.92 $18.53
Single neck flask with outer [ST] 14/20 joint.
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NMR Sample Tubes, 5 mm, KONTES* $23.49 $21.85
Designed for high resolution work with NMR spectrometers. Tubes are manufactured from ASTM Type 1 borosilicate glass under rigid quality control to me
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![Solid Pennyhead [ST] Stoppers, KONTES*](images/150/nc0883.jpg)
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Solid Pennyhead [ST] Stoppers, KONTES* $8.14 $7.57
Used with flasks, mixing cylinders, separatory funnels, and more. All stoppers are solid.
Meet ASTM Specification E694.
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ULTRA-WARE* HPLC Reservoirs with
3-Hole Cap, KONTES* $361.04
Provide the optimum solution for the safe and totally contained storage of high purity HPLC mobile phases. No need for solvent bottle tilting; mobile
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Kuderna-Danish Concentrators, Ungraduated, KONTES* $25.06 $23.31
Developed for the concentration of trace amounts of sample dissolved in organic solvents. Useful in sample preparation before analysis with solvents s
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Kuderna-Danish Concentrators, Graduated, KONTES* $177.66 $165.22
Developed for the concentration of trace amounts of sample dissolved in organic solvents. Useful in sample preparation before analysis with solvents s
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Distillation Apparatus, Solvent Repurification, KONTES* $359.14
Unique unit designed for the distillation, reflux, storage, and delivery of solvents. Two grease-free, 4mm lower PTFE valves with plugs permit return
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