Description_x000D_ General description_x000D_ Nylon filters are naturally hydrophilic and no wetting agents are used in manufacture._x000D_ With an extractable level <0.0015 mg/cm2, they are ideal for HPLC solvent and sample preparation. Because of high non-specific binding, they are not recommended for protein solutions._x000D_ • Compatible with aqueous and most organic solvents_x000D_ • Autoclavable; unaffected by temperatures up to 180°C

Description_x000D_ General description_x000D_ Assembly includes: 300 mL funnel top, fritted glass funnel support, 1 L filtration flask, aluminum clamp, and # 8 silicone stopper._x000D_ Vacuum filtration apparatus for HPLC solvent purification, particulate analysis, bacteriological studies, radiochemical determinations, quantitative gravimetric analysis, and similar applications. Clamp seals filter membrane between flanges on funnel top and funnel stem._x000D_ Includes: Funnel top, funnel stem/membrane support, aluminum clamp, stopper (except standard taper units) and filtration flask (where indicated)._x000D_ For replacement parts, visit our online glassware catalog at www.sigma-aldrich.com_x000D_ Legal Information_x000D_ Sigma-Aldrich is a registered trademark of Sigma-Aldrich Co. LLC

Description General description These hole caps do not come with septa.

Description General description Autoclavable, easy to maintain. A vial is used to store or as a closure type,in order to prevent contamination. Constructed of borosilicate glass. Vials use 8mm septa and screw-caps

Description_x000D_ General description_x000D_ Antifoam function as an effective foam suppressor. Antifoam 204 contains 100% active components and is a mixture of organic non-silicone polypropylene-based polyether dispersions. It does not contain mineral oil. Antifoam 204 can itself be considered a surfactant, but it contains no other surfactants. This product is synthetic and not derived from animal or plant sources. Antifoam 204 can be sterilized repeatedly. The flow properties of Antifoam 204 are such that it can be pumped to a fermenter on an as-needed basis. For use in microbiological media, Sigma recommends a starting concentration of between 0.005% and 0.01%._x000D_ Application_x000D_ Antifoam 204 has been used:_x000D_ • to suppress bubbling in thylakoid solutions during intramembrane isoprene quantification_x000D_ • as a component of fed-batch continuous culture fermentation medium_x000D_ • to suppress severe foaming in fermenter{45)_x000D_ Packaging_x000D_ 1 kg in poly bottle_x000D_ 100, 500 g in poly bottle_x000D_ Other Notes_x000D_ Contains 100% active components and is a mixture of non-silicone organic defoamers in a polyol dispersion. Can be sterilized repeatedly.

Description_x000D_ General description_x000D_ Hand-operated or motor-driven grinders for resuspending pellets or disrupting soft tissue in microcentrifuge tubes. Pestle ends are specially designed to mate with 0.5 mL or 1.5 mL microtubes. Shaft is convenient length and diameter for gentle manual back-and-forth rotation or more vigorous motorized operation._x000D_ Z359955 will fit the cordless motor product Z359971 only by using the replacement adapter for the motor Z359998, which is purchased separately._x000D_ Legal Information_x000D_ KIMBLE is a registered trademark of DWK Life Sciences