Laboratory Glassware
Showing 31–40 of 52 results
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KJELDAHL ASSEMBLY COMPLETE
“Cowbell” Kjeldahl Assembly is a method for the quantitative determination of nitrogen contained in organic substances plus the nitrogen in tuck ammonia and ammonium (NH3/NH4+). Without modification , other forms of inorganic nitrogen, for instance nitrate, are not included in this measurement. This method does not give accurate percentage it gives only approximate calculation.
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MEMBRANE FILTER ASSEMBLY
“Cowbell” Membrane Filter Assembly technique, sample is passed through the membrane using a filter funnel and vacuum system. Any organisms in the sample are concentrated on the surface of the membrane. The membrane, with its trapped bacteria, is then placed in a special plate containing a pad saturated with the appropriate medium.
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REAGENT BOTTLE (AMBER)
“Cowbell” dark glass bottle with ground glass plug. Reagent bottles, also known as media bottles or graduated bottles, are containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers and are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves. Some reagent bottles are tinted amber (actinic), brown or red to protect light-sensitive chemical compounds from visible light, ultraviolet and infrared radiation which may alter them; other bottles are tinted blue.
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REAGENT BOTTLE WITH STOPPER
“Cowbell” dark glass bottle with ground glass plug. Reagent bottles, also known as media bottles or graduated bottles, are containers made of glass, plastic, borosilicate or related substances, and topped by special caps or stoppers and are intended to contain chemicals in liquid or powder form for laboratories and stored in cabinets or on shelves. Some reagent bottles are tinted amber (actinic), brown or red to protect light-sensitive chemical compounds from visible light, ultraviolet and infrared radiation which may alter them; other bottles are tinted blue.