Sunday, November 13, 2011

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Thursday, November 10, 2011

Taking a Closer Look at the Types of Laboratory Apparatus

!: Taking a Closer Look at the Types of Laboratory Apparatus

Laboratories have different working environments but they all require the basic laboratory apparatus and state of the art lab apparatus for complicated lab experiments.

Lab Apparatus

Apart from the compound microscope, laboratories are equipped with basic laboratory apparatus to facilitate the conduct of chemistry and biology lab experiments. The basics are the test tubes, test tube racks and test tube holders, beakers, reagent bottles, Bunsen burners and stand and clamps, crucibles, measuring cylinders, evaporating dishes, safety glasses, mortar and pestle, spatulas, droppers, tripods, and balances.

For different lab testing requirements, labs are equipped with heating equipments, filters, mixers, air handling equipment, fume hoods, shakers, centrifuges, homogenizers, measuring devices, ovens, and refrigerators.

Lab Furnaces

Samples and materials that need heat testing are tested on maintained high temperature. The heating apparatus should withstand different high heat temperatures without breaking down because heating experiments can go on for months.

Under general specifications, the equipment should have atmosphere controls and the appropriate dimensions for the lab's use for observing combustion, electrical, resistance, conduction, induction, infrared, propane oil and other fuels and natural gas. The lab furnace may have single heating or dual heating mode to adjust temperature and/or temperature stability. The newer models have computer interface and application software.

Laboratory Filters

These laboratory apparatus are used to eliminate fine particles from samples. Generally the filters consist of filter medium and holders and categorized into two types - membrane filters and centrifugal filters. Membrane filters, used in large scale lab experiments are employed to separate or filter suspended matter from gases and liquids.

Smaller laboratories use centrifugal filters to take apart proteins or nucleic acids. Laboratory filters are selected for the analysis of physical and performance specifications of particle samples. Larger filter areas are efficient and generally preferred in chemical and industrial laboratories.

The filters vary in configuration terms, sample type, measurement type, medium material, and housing material. These are commonly used on solids, gas, and liquids for qualitative or quantitative testing. The filters medium materials range from cellulose or cellulose acetate, regenerated cellulose, and nitrocellulose, including ceramic, glass fiber materials, and carbon. Included too are polytetrafluoroethelene, polyvinylidene fluoride, and polyvindylidene chloride. Housing materials use acrylics, modified acrylics, plastics, and polypropylene.

Lab Mixers

Laboratory mixers are essential in mixing, homogenizing, emulsifying, disintegrating and dissolving samples. Dual shaft mixers have three-wing anchors that generate flow and remove batches of mixed materials from vessel's wall. Double-planetary mixers have a finger-shaped blade that feed material to dispenser that orbits at high speed. The mixers operate at different speeds while are specified for continuous speeds. Lab mixers are requirements in industrial and pharmaceutical laboratories.

Air Handling Equipment

To protect laboratory and specimen from air-borne contamination, air handling equipment - fume hoods, environmentally-controlled rooms, biological safety cabinets, and clean benches are installed. A fume hood can contain and exhaust fumes, mists, vapors, and fine particles. The lab technician is protected from toxic fumes to chemicals and other potentially hazardous gases because the fume hood or enclosure minimizes exposure.

Top of the line laboratory apparatus follow standard specifications and are sold all over the world. These can be ordered online or purchased directly from suppliers.


Taking a Closer Look at the Types of Laboratory Apparatus

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Monday, October 31, 2011

Gas Cooking Ranges - Choosing the Best Cooking Appliance For Your Household

!: Gas Cooking Ranges - Choosing the Best Cooking Appliance For Your Household

Gas cooking is a means of faster cooking and also the most widely used method of cooking in most of the parts of the world. Nowadays however gas cooking has changed completely to an unidentified version compared to the olden day's method of cooking with gas wherein the gas is directly supplied and combustion takes place. The heat liberated in these types of burners is large and the wastage of fuel is more.

Looking into the variants of gas ranges available these days, there are dual fuel supply ranges of cooking variants that are widely popular among many countries in the world. This employs a range with a lesser fuel consumption, ensures quick cooking and less heat is liberated during cooking.

Hence the cook does not feel uncomfortable during the process of cooking and hence can enjoy cooking. The popularity of the gas cooking ranges that are available in the market also depends on the number of burners available for cooking.

Most of the home based ones have four burners of different ranges of burning capacity and one hot plate which have become a mandatory need for all the house holds these days.

The size of the range and the placement position, its color and sleekness decide the value of them. The sites which offer such products give all the required information of the product including the cost of the product. The products can also be bought online through an online transaction of money through the Internet.

These sites also give the contact information of the manufacturer and the information on the industry, which manufactures these ranges. They are available these days have also variants such as automatic, semi automatic and ordinary.

The price range for each of the above varies with the inculcation of technology in the range. The number of burners can also vary based on the need of the customer.


Gas Cooking Ranges - Choosing the Best Cooking Appliance For Your Household

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Monday, October 24, 2011

Electrolux ICON : E30DF74GPS 30 Professional Series Dual-Fuel Range

!: Buy Electrolux ICON : E30DF74GPS 30 Professional Series Dual-Fuel Range Get it now!


Rate : | Price : $3,499.00 | Post Date : Oct 25, 2011 02:00:28
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In the well-lived home more than eating goes on around the table Its a place for celebrations A place for savoring A place where friendships are forged Its a place where Electrolux ICON appliances can help you create the kitchen youve always wanted J...

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Wednesday, October 19, 2011

48" Dual Fuel Range with Griddle Finish: Black

!: Discount 48" Dual Fuel Range with Griddle Finish: Black Top Quality

Brand : DeLonghi
Rate :
Price :
Post Date : Oct 20, 2011 06:45:10
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DL48P6G Finish: Black Stainless Steel finish no longer available.5 Sealed Gas Burners Include: -2 x 12,000 Btu/hr -2 x 10,000 Btu/h -1 x Dual burner with simmering 1,000/16,000 Btu/hr Features: -Finish: Black -Dual burner operates by pushing in knob once for inside ring only (1,000BTU) and pushing in again to activate the outer ring (total 16,000BTU) -Safety devices on all burners -Dual burner is positioned to allow for large cooking pots, skillets or woks. Many other brands give you small burner areas where you need to overlap cookware -12'' heavy steel griddle section with even heating infrared ceramic burner system -Porcelainized cast-iron grates and caps -Cast-iron wok ring included -Electronic ignition -Safety devices on all burners. If burner blows out, gas is shut off at the valve. Simply turn the knob off and start again. This may be the safest system in the industry! No nuisance sparking and no raw gas emitted -Full 8'' stainless steel backguard riser included -Electric twin CONVECTION ovens with true convection style fan coil element (2,200W) -Bottom coils hidden under bottom so you can place a roasting pan on the bottom for better height clearance. (20lb turkey, no problem) -Self cleaning multi-function electric ovens with Delonghi Durastone interior coating -Cooling fan -Electronic programmed clock and timer -Interior light -Dual .85 cu. ft. warming drawers 500 W (85 F to 250 F) with humidity control Specifications: -Oven Volume: 2.0 cubic feet each -Oven elements (top + bottom): 2300W -Broil element: 2000W -Convection fan element: 2200W -Voltage: 120/240V 60Hz (3 or 4 wire) 30Amps -Oven interior dimensions: 16 1/2'' W x 13 3/4'' H x 16 1/2'' D -Dimensions: 47 7/8'' W x 36'' (plus riser) H x 24'' D -Adjustable stainless steel feet -LP conversion kit included The chef in your house deserves a versatile range to make their culinary masterpieces. This dual fuel range from Delonghi has six sealed gas burners, a double oven, griddle and a warming drawer to he

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Tuesday, April 19, 2011

KitchenAid 48" Self-Cleaning Freestanding Dual Fuel Convection R

!: Purchase KitchenAid 48" Self-Cleaning Freestanding Dual Fuel Convection R Immediately

Brand : KitchenAid
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Post Date : Apr 19, 2011 10:09:16
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This range features 6 burners, including a 5,000 BTU simmer/melt burner and a 20,000 BTU Ultra Power dual-flame burner, to meet versatile cooking needs. The Even-Heat true convection system spreads heat evenly throughout the oven to thoroughly cook food.

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