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Introducing the Polaris Lab Water Systems
High Purity Water Made In The USA.
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About Extraction Thimbles Size and Membrane Selection
Thimble sizes should be selected carefully to fit extractors correctly. The different sizes represent the established practice of showing the internal diameter and overall length of the thimble in millimetres. Therefore, an extra allowance for wall thickness should be made when calculating external diameters. The thimble should pass through the narrower end of the upper extractor socket, allowing 1-2 mm clearance, and be 5-10 mm above the level of the top of the siphon tube.
Thimble Media Selection:
Cellulose
Thimbles made of high grade cotton cellulose. Smooth interior surface. Absolutely seamless. Fit most Soxhlet extraction devices
Fat determination of meat and diary products
Determination of PCB in fish products
Determination of free fats in food products
Determination of pesticide residues in food products
Extraction of plasticizers from PVC
Determination of organic compounds in washing agents
Extraction of additives from livestock feed
Extraction of dioxins
Solid particle such as dust collection in air flows
Evaluation of liquid content in concrete slurry
Glass Microfiber
High purity glass microfiber thimbles used for high temperature filtration, up to 550C (1022F), or when using solvents incompatible with cellulose thimbles.
Gravimetric methods for hot environments
Gravimetric methods for acidic gasses
Extraction methods common to biochemical analysis
Thimble Size Selection:
Thimble sizes should be selected carefully to fit extractors correctly. The different sizes represent the established practice of showing the internal diameter and overall length of the thimble in millimetres. Therefore, an extra allowance for wall thickness should be made when calculating external diameters. The thimble should pass through the narrower end of the upper extractor socket, allowing 1-2 mm clearance, and be 5-10 mm above the level of the top of the siphon tube.
Due to the large number of extraction thimble parts, we kindly ask that you contact us directly to receive
part numbers, pricing, volume discounts and availability if you can't find the thimbles or information you require listed below.
Extraction Thimbles can be found here
Other Lab Filters can be found here
Laboratory Water Products can be found here
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Images are representative of the products. Images may or may not be of the actual product. If it is important e-mail us for an actual image if available.
* Flat Rate UPS shipping when able to ship via UPS and is in the USA excluding Hawaii and Alaska.
Larger Items may not be able to ship via UPS, in that case freight charges will be quoted seperately.
International shipping will be quoted after the order is placed. You will have the opportunity to cancel before we finalize your order.
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