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Tu envío es gratis en compras mayores a $2,999 MXN
Estimado para ser entregado entre 3-5 días hábiles después del pago en productos disponibles.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Los filtros de membrana Whatman en forma circular cuentan con una variedad de medios dependiendo de la aplicación, destacan las de nitrato de celulosa, PTFE y éster de celulosa.
Tamaño de poro es de 0.45 μm, diámetro de 47 mm y opción de filtro estéril. Ideales para aplicaciones especializadas.
Membrana de Éster de celulosa (MCE)
La membrana es la combinación del acetato de celulosa CA con el nitrato de celulosa CN, con una superficie más lisa y porosidad uniforme superior. De naturaleza hidrofílica y biológicamente inerte. Su alta porosidad permite ofrecer un alto caudal de flujo y una muy efectiva retención de microorganismos. Utilizada en aplicaciones generales de filtración en laboratorio.
Usos y aplicaciones: Recuento de células rutinario y la detección de partículas.
Si algún producto se encuentra AGOTADO el tiempo de entrega es de 30 a 45 días naturales aproximadamente.
Catálogo | Diámetro | Material/tipo de membrana | Tamaño de poro | Color | Estéril | Presentación |
WHA-10406870 | 47 mm | Éster de celulosa combinado/tipo ME | 0.45 µm | Blanco, cuadrícula | sí | 100 piezas |
WHA-10407112 | 47 mm | Nitrato de celulosa/Microplus | 0.45 µm | Blanco | sí | 400 piezas |
WHA-10411311 | 47 mm | PTFE/TE | 0.45 µm | Blanco | no | 50 piezas |
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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