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208//3 · Oxygen demand is a measure of the amount of oxidizable substances in a water sample that can lower DO concentrations. Certain environmental stresses (hot summer temperatures) and other human-induced factors (introduction of excess fertilizers to a

Screw Top 8mm Clear Type 1 Glass 1.5mL HPLC Autosampler Vials w/ Writing Patch - Set of 500 TSH-CV1869 $75.99 Cap Type Screw Top Cap Size 8mm Vial Size ND8 Cap Thread Size 8-425 Color Clear / Transparent Material Borosilicate Glass Working

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Advanced Vial Closure System for Screw Thread Chromatography Vials Loy Shick (Thermo Fisher Scientific Rockwood, USA), Brian King (Thermo Fisher Scientific, Runcorn, UK) Technical Note 20537 Key Words Screw thread chromatography vials, 9 mm wide

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Oct 14, 2010 · The most popular current testing method for COD involves using sealed and heated (i.e., closed reflux) low-range (3-150 ppm) or high-range (20-1500 ppm) pre-prepared vials that change color from orange to green based on the amount of oxidation and

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WHEATON® MicroLiter µLplate® Kits (with Pre-Cut FEP/Silicone Septa) ship with inserts installed in a microplate and caps in separate packaging. If you don't use large numbers of microplates or you want access to certain wells for further work, this package configuration works quite

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