Intrinsic Viscosity Introduction One of the most precise measurements in polymer science is also the simplest and cheapest. Intrinsic viscosity‚ which is measured from the flow time of a solution through a simple glass capillary‚ has considerable historical importance for establishing the very existence of polymer molecules. It also provides considerable physical insight. In this lab‚ each group will study the intrinsic viscosity of hydroxypropylcellulose‚ a common polymer derived from cellulose--hopefully
Premium Polymer Fluid dynamics Viscosity
Cell Culture Bioreactors Basic Types of Bioreactors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Stirred Tank (Well Mixed) vs. Tubular Reactor (Plug Flow) . . . . . . . . . . . . . . . . . 3 Segregated Bioreactors (Dead Zone Present) Compartmentalized Bioreactors . . 4 Implication When Growth or Reaction Occurs in the Reactor . . . . . . . . . . . . . . . 4 Homogenous Reactor vs. Heterogeneous
Premium Cell culture
pollution and setting standards for air quality. One of the strongest weapons against industrial pollution that many factories are currently using to combat air pollution is a scrubber. A scrubber is a series of filters placed in smoke stacks and other points of industrial emissions to try and filter out many of the contaminants that tend to be released into the atmosphere. In addition to factory emissions‚ auto emission pollutants have also been reduced by the use of a tool that has been around for
Premium Energy Renewable energy Recycling
water To be able to identify trends of reactivity down the Group-2 Equipment required: 2 x250 cm3 beaker Funnel 2x boiling tubes Crucible tongs Calcium granules Magnesium ribbon Magnesium powder Spatula Universal Indicator Thermal mat Filter paper Safety: Wear eye protection. Magnesium and calcium are highly flammable. Calcium hydroxide is an irritant. Group 2 elements Calcium Strontium Magnesium Beryllium Barium Radium Introduction: The Group 2 elements are all
Premium Magnesium Alkaline earth metal Calcium
FINDING NEMO A good animated family comedy that is sure to keep kids entertained and parents alike. To any parent that is tired of sitting through the mind numbing genre that is kid’s movies‚ then Finding Nemo is the family movie to getting you through your kids turn to pick a movie. In the movie Finding Nemo covered by John Lacader and his longtime colleague Andrew Stanton who wanted to do a video on ocean environment. Andrew Stanton took scuba diving lessons to study coral reefs which
Premium Finding Nemo
including meeting the requirements of medical‚ pharmacological‚ chemical and industrial applications. In general the methods used include physical processes such as filtration‚sedimentation‚ and distillation‚ biological processes such as slow sand filters or biologically active carbon‚ chemical processes such asflocculation and chlorination and the use of electromagnetic radiation such as ultraviolet light. The purification process of water may reduce the concentration of particulate matter including suspended particles
Premium Water Water purification Drinking water
Apparatus 4 small bottles (to contain milk glue) 1 bowl (for mixing curds with baking soda and water for texture) 2 cups (for measurement of milk) 1 spoon (for mixing purposes) 1 pot (for heat purposes) 4 sheets of filter paper 1 pail 1 20cm x 20cm piece of wood 4 5cm x 5cm piece of wood Powdered milk makes the strongest milk glue because of its high protein content. This is because casein is a protein which is present in milk and gives milk its
Premium Milk Cheese
soluble metal carbonate and would most likely be sodium or potassium because these elements are commonly used. Materials 100 cm3 beaker‚ 250 cm3 beaker‚ 250 cm3 volumetric flask with stopper‚ filter funnel‚ glass pipette‚ glass rod‚ de-ionized water‚ Substance Z‚ 25 cm3 bulb pipette‚ pipette filter‚ 250 cm3 conical flask‚ burette‚ burette stand & holder‚ 0.1225 M hydrochloric acid‚ methyl orange indicator. Procedure: Part 1: Making a standard solution of substance Z 1. About 1.3 g to 1.7 g
Premium Titration Chlorine Hydrochloric acid
following terms as it relates to this experiment. a) Decant: After reactions in parts III and V are complete‚ we isolate the metallic Cu and the CuO and we decant or pour off the supernatant liquid. b) Filtrate: The liquid that passes through the filter in the step V will be the filtrate. c) Supernatant liquid: The liquid above the settled precipitate of CuO in part III and Cu in part V. In these cases the liquid decanted. 3. Write the chemical equation(s) for each part of the following terms
Premium Acid Sulfuric acid Nitric acid
EXPERIMENT 5- A FISCHER ESTERIFICATION SYNTHESIS OF PEAR OIL One of the major uses of Esterification (C(=O)-C-R) is forming compounds with different odors which can be used to make different synthetic and natural flavorings. Using the chemical and physical properties of organic compounds‚ an ester was catalyzed from the reaction of a carboxylic acid with an alcohol‚ producing an odor similar to that of pear oil. The mechanism of this Fischer- Esterification process is outlined as follows:
Premium Acetic acid Carboxylic acid Acid