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Supplier: VWR International
Description: Uses include filtration of aluminum phosphate, zinc ammonium phosphate, and silver chromate.
Supplier: VWR International
Description: Useful for very fine precipitates such as barium and lead sulfates, stannic and nickel sulfides, and calcium hydroxide.
Supplier: VWR International
Description: Use for retention of zirconium hydroxide, aluminum hydroxide, cobalt sulfide, and other coarse or gelatinous precipitates.
Supplier: Cytiva
Description: Whatman Grade 589/3 ashless filter paper from Cytiva is particularly useful in capturing very fine particulate samples such as insoluble molecules in fats or oils or supporting ash free dry mass.
Supplier: Ahlstrom
Description: Ahlstrom Grade 392 is a medium rate filtering low ash (Ash 0.01%) filter paper suitable for routine quantitative gravimetric techniques.

Supplier: I.W. TREMONT CO., INC.
Description: Positioned as an intermediate within the quantitative cellulose family, this grade demonstrates medium retention and flow rates.

New Product

Supplier: Ahlstrom
Description: Ahlstrom Grade 391 is a fine retention low ash (Ash 0.01%) filter paper suitable for routine quantitative gravimetric techniques.

Supplier: Ahlstrom
Description: Ahlstrom Grade 54 is a fast filtering ashless (Ash 0.007%) filter paper suitable for routine quantitative gravimetric techniques.

Supplier: Cytiva
Description: Cytiva's Whatman Grade 44 quantitative paper is a thin version of Grade 42 ashless paper. The thinness reduces the overall ash content, making Grade 44 well suited for analyses relying on ash-free dry weight.
Supplier: Ahlstrom
Description: Ahlstrom Grade 74 is a medium flow rate ashless (Ash 0.007%) filter paper suitable for routine quantitative gravimetric techniques.

Supplier: Cytiva
Description: With less than 0.01% ash, Cytiva's Whatman Grade 589/1 filter papers can be used for the Blaine test in the cement industry and as an ash content test filter for foodstuffs.
Supplier: I.W. TREMONT CO., INC.
Description: Very fast flow rates and loose retention characteristics make this grade ideal for initial separation of gelatinous precipitates.

New Product

Supplier: Cytiva
Description: Cytiva's Whatman Grade 43 filters support inorganic analysis and other forms of instrumental analyses. The low ash content also makes Grade 43 appropriate for gravimetric analyses requiring sample combustion.
Supplier: Ahlstrom
Description: Ahlstrom Grade 75 is a medium flow rate hardened ashless (Ash 0.006%) filter paper suitable for quantitative gravimetric analysis in analytical techniques requiring increased chemical resistance, wet strength and handling capacity.

Supplier: Cytiva
Description: Cytiva's Whatman Grade 52 is a general-purpose filter paper for quantitative analysis in Büchner funnel and other vacuum filtrations. The acid-hardened surface and low ash content enable efficient precipitate recovery.
Supplier: Ahlstrom
Description: Ahlstrom Grade 388 is a fast filtering low ash (Ash 0.01%) filter paper suitable for routine quantitative gravimetric techniques.

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Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
Stock for this item is limited, but may be available in a warehouse close to you. Please make sure that you are logged in to the site so that available stock can be displayed. If the call is still displayed and you need assistance, please call us at 1-800-932-5000.
This product is marked as restricted and can only be purchased by approved Shipping Accounts. If you need further assistance, email VWR Regulatory Department at Regulatory_Affairs@vwr.com
-Additional Documentation May be needed to purchase this item. A VWR representative will contact you if needed.
This product has been blocked by your organization. Please contact your purchasing department for more information.
The original product is no longer available. The replacement shown is available.
This product is no longer available. Alternatives may be available by searching with the VWR Catalog Number listed above. If you need further assistance, please call VWR Customer Service at 1-800-932-5000.
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