lab use round ashless filter paper

lab use round ashless filter paper

Model No.︰-

Brand Name︰KOREC

Country of Origin︰China

Unit Price︰US $ 0.8 / box

Minimum Order︰1 box

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Product Description

Ashless filter paper

Areas of use include the food industry, agriculture, air pollution monitoring, and gas detection, be used in qualitative analytical techniques to determine and identify materials, covers a wide range of laboratory applications.

Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and Fe2O3. Ash content less tan 0.01% 
The main function of the quantitative analysis filter paper is to use it for the ashing weighing analysis experiment after filtration. 
Diameter 7/9/11/12.5/15/18cm

 

Name Type Flow rate Water flow speed 
(s)
Particle Retention
 (µm)
Ash content
 (<=) 
Weight Rate (g/m2)
qualitative filter paper 101 Fast <35 80-120 0.15% 80+/-4
102 Medium 35-70 30-50 0.15% 80+/-4
103 Slow 70-140 1-3 0.15% 80+/-4
Ashless filter paper 201 Fast <35 80-120 0.01% 80+/-4
202 Medium 35-70 30-50 0.01% 80+/-4
203 Slow 70-140 1-3 0.01%

80+/-4

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FAQ

Trade term:
Payment term: 30% deposit and balance before shipment by T/T or Alibaba Trade Assurance or western union or Paypal
Delivery time: Stock order can be delivered within 2 days after payment received, and production order takes 15-30 days after deposit received. 
Shipment way: By sea or by air.
Delivery term: FOB, EXW, CIF or other terms that’s convenient to you.

There is you may concern:

How long can I expect to get the offer?
Normally we will quote within 24hrs in working days after get your inquiry.
What’s your working time
We are working from Monday to Saturday except Statutory holidays, like CN National days.
Can you customize for us?
Yes, we can customize size, packaging, color, logo, material for you specially base on the orders.
Do you offer samples before order and how it cost?
Yes, we can supply few free sample for your quality checking before order, but the express cost should response by your side.
How long can I expect to get the sample?
We will despatch the sample by express within 3 days for the models from our catalogue. For the one specially according to your requirement, normally will despatch within 10days, well it’s depends on the detailed sample requirements. And customer bears the express cost.
What’s the lead time for mass production?
For the orders with stock available, they can deliver within 7 days after payment balanced.
For the orders require produce, normally it takes 15-30days for produce, but it depends on the order quantity as well as season you place order.
Would you like to tell us about a lower price?
Yes, please directly be free contact us.

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