😎 TODOS NUESTROS PRECIOS INCLUYEN IVA
📦 ENVÍOS EL MISMO DÍA, ANTES DE LA 1PM DE L-V
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 cuantitativos Whatman están diseñados para el análisis de gravimetría y la preparación de muestras para el análisis con instrumentos. Se suministran en tres formatos diseñados para responder a sus necesidades.
Sin ceniza: máximo del 0,007% de cenizas para los Grados de 40 a 44 y un máximo de 0,01% para los Grados 589. Filtros muy puros ideales para un amplio rango de procesos de filtración analíticos críticos.
Endurecido bajo en cenizas: máximo del 0,015% de cenizas tratado con ácido fuerte para eliminar residuos metálicos, generar mayor resistencia en húmedo y a los compuestos químicos. Estos filtros son indicados para filtración con embudo Büchner; donde la dura pero lisa superficie del filtro facilita la recuperación de precipitados.
Endurecido sin ceniza: máximo del 0,006% de cenizas (contenido en cenizas extremadamente bajo), tratado con ácido fuerte para obtener una mayor resistencia en húmedo y a los compuestos químicos. La superficie endurecida del filtro lo hace indicado para un amplio rango de procedimientos críticos de filtración.
Grado 42 Whatman
Estándar mundial para los análisis críticos de gravimetría. Es un filtro con la retención de partículas más finas de todos los filtros de papel Whatman. Habitualmente usado con precipitados de sulfato de bario, ácido metastanico y precipitado de carbonato cálcico.
Si este producto se encuentra AGOTADO el tiempo de entrega es de 30 a 45 días naturales aproximadamente.
Catálogo
|
Diámetro
|
WHA-1442-070
|
70 mm
|
WHA-1442-090
|
90 mm
|
WHA-1442-110
|
110 mm
|
WHA-1442-125
|
125 mm
|
WHA-1442-150
|
150 mm
|
WHA-1442-185
|
185 mm
|
WHA-1442-240
|
240 mm
|
Grado
|
Grado 42
|
Propiedades
|
Lento
|
Retención
|
2.5 μm
|
Tiempo filtración
|
1,870 s
|
Cenizas
|
0.01%
|
Grosor
|
200 μm
|
Peso
|
100 g/m2
|
Material
|
Celulosa
|
Formato
|
Círculos
|
Presentación
|
100 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.
¡Gracias por suscribirte!
¡Este correo ha sido registrado!