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Dilatometer Bottle, Amber Scale, KONTES* $220.83 $209.79 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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Arsine Generator, KONTES* $100.69 $95.66 For multiple arsenic determinations. A sample containing arsenic is placed within the flask and converted to arsine gas. Hydrogen sulfide is removed f

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Boiling Flasks, Round Bottom, KONTES* $20.49 $19.47 Single neck flask with outer [ST] 14/20 joint.

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![Solid Pennyhead [ST] Stoppers, KONTES*](images/150/nc0883.jpg)
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Solid Pennyhead [ST] Stoppers, KONTES* $8.39 $7.97 Used with flasks, mixing cylinders, separatory funnels, and more. All stoppers are solid. Meet ASTM Specification E694.

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Boiling Flasks, Pear-Shaped, Heavy Wall, KONTES* $26.89 $25.55 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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NMR Sample Tubes, 5 mm, KONTES* $24.16 $22.95 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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ULTRA-WARE* HPLC Reservoirs with 3-Hole Cap, KONTES* $371.51 $352.93 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* $166.16 $157.85 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 $168.78 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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