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Tu envío es gratis en compras mayores a $1,999 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.
Papel de pH en tiras individuales con soporte de plástico.
El tipo CF viene con cuatro segmentos diferentes de papel indicador impregnados con tintes. La combinación de colores resultante proporciona un valor de pH fiable y fácilmente legible. Todos los tintes están químicamente unidos al papel, para que no haya desprendimiento en la solución y evitar contaminar la muestra o lecturas falsas.
Cada tira del tipo CS tiene un segmento central de tinte indicador, con ocho o más segmentos de colores diferentes marcados con los valores de pH correspondientes para uso comparativo. El valor de pH puede ser leído por comparación directa del color de la tira y barra de colores. Ideal para mediciones generales de pH y para las soluciones coloradas cuando cualquier cambio en el color del papel se disfuma automáticamente.
Catálogo | Tipo | Rango de pH | Graduación | Presentación |
WHA-2613-991 | CF | 1.0 a 14.0 pH | 1.0 pH | 100 tiras |
WHA-2614-991 | CF | 4.5 a 10.0 pH | 0.5 pH | 100 tiras |
WHA-2628-990 | CS | 5.2 a 6.8 pH | 0.2 a 0.3 pH | 200 tiras |
WHA-2629-990 | CS | 6.0 a 8.1 pH | 0.3 pH | 200 tiras |
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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