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Whatman® protein saver cards

903 Protein saver card (US), pkg of 100 ea

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Whatman fta, Z761575, dbs cards, pcr blood


pkg of 100 ea


Whatman 10534612
Whatman Article No. 28416778 (US reference)

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Whatman® protein saver cards



Whatman® protein saver cards


Whatman 10534612


Whatman 10534320, Whatman Article No. 28416622 (US reference)


Whatman 10539521, Whatman Article No. 28417176 (US reference)


Qiagen WB120211

General description

Whatman offers a variety of generic collection cards that meet the requirements for many sampling programs.

903 Multiple-part Neonatal Card
The multiple-part neonatal card includes a demographic portion in duplicate where information about the newborn, parents, physician and care can be entered. Each card has a unique sequential number and bar code. The multipart 903 collection paper is imprinted with five half-inch circles and has a wraparound cover to protect the 903 paper before and after sample collection. Each circle holds 75 to 80 μL of blood.

903 Protein Saver Card
The sample collection area of the 903 Protein Saver Card contains five half-inch circles. Each circle holds 75 to 80 μL of sample. Wraparound cover has spaces for name and date of collection and is imprinted with the universal biohazard symbol in accordance with USPS regulations. It fits into Whatman foil barrier ziploc bags for storage. This is for research use only.

903 Protein Saver Snap-apart Card
The 903 paper in this device, imprinted with four half-inch circles, is enclosed between two pieces of cover stock. Each circle holds 75 to 80 μL of sample. To use, one cover is snapped off, the sample is collected and the remaining cover is folded over the sample. This cover is imprinted with the universal biohazard symbol in accordance with USPS regulations. This is for research use only.

Legal Information

Whatman is a registered trademark of Cytiva

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Product numbers are combined with Pack Sizes/Quantity when displayed on the website (example: T1503-25G). Please make sure you enter ONLY the product number in the Product Number field (example: T1503).


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enter as 1.000309185)

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Lot and Batch Numbers can be found on a product's label following the words 'Lot' or 'Batch'.

Aldrich Products

  • For a lot number such as TO09019TO, enter it as 09019TO (without the first two letters 'TO').

  • For a lot number with a filling-code such as 05427ES-021, enter it as 05427ES (without the filling-code '-021').

  • For a lot number with a filling-code such as STBB0728K9, enter it as STBB0728 without the filling-code 'K9'.

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In this article we provide a complete workflow of quantification and identification of acylcarnitines in dried blood spots (DBS) using stable isotope-labeled (SIL) acylcarnitines CRMs by FIA-MS/MS.


A number of options are available for sample collection, transport, archiving, and DNA purification.

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service