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disc cellulose 20 micron qualitative laboratory filter paper

qualitative filter paper is widely used in qualitative analysis techniques to determine and identify materials.The maximum degree of fine particle filtration in the qualitative range. Capable of retaining the fine precipitates encountered in chemical analysis
Features
*Pure cotton linters or cotton linters with refined pulp
*Supplied in round discs or sheets
*The most widely used filter paper for routine applications with medium retention and flow rate.
* 55, 70, 90, 110, 125, 150, 180, 185, 240mm diameter or OEM size in available
* Ideal for analytical and routine analyses
Application
This grade covers a wide range of laboratory applications and is frequently used for clarifying liquids. Traditionally the grade is used in qualitative analytical separations for precipitates such as lead sulfate, calcium oxalate (hot) and calcium carbonate.
1.Can you provide us a competitive price and good quality products?
We have our strict evaluation criteria of quality on our partner factory; COA is shipped with your products if you ask. We did complete and detailed market research and priced competitively.
2. What is the charge standard about the Samples?
1) For our first cooperation, buyer afford the sample fee and shipping cost, and the cost will be refund when made formal order.
2) For our old customer, we will send free sample , even though new designs sample, when have stocks
3) Sample delivery date is within 1-2days, if have stocks; Customer design is about 3-7 days
3.What are the Payment Term ?
We can accept L/C, T/T,
4.What are the Shipping methods ?
If your order is not big enough , Door to Door Service is the best choice via UPS,FEDEX,DHL,EMS.
For big quantity, by air or by sea through your forwarder is one Normal Way , we also can provide cost-effective forwarder for your reference
Filter Comparision List:
Ocome | HO-101 | HO-102 | HO-103 | HO-201 | HO-202 | HO-203 |
Whatman | Grade 4 | Grade 1 | Grade 2 | Grade 41/54/541 | Grade 40/43 | Grade 42/50/542 |
Munktell | 1288 | NO.1 | NO.2 | 388 | 389 | 391 |
Ahlstrom | 631 | 601 | 642 | 54/55 | N/A | 95 |
Macherey&Nagel | 1670 | 616md | 616 | 640w | 640m | 640de |
MFS/Advantec | 1 | 2 | 232 | 5A | 7 | 6/4A |
Specification:
Inner packing:1) Round: 100 Circles/box 2) Square: 100 sheets/box Outer packing: 1) Round: 50 boxes/carton 2) Square: 10 boxes/carton 
Transportation:
Welcome to contact us:
Tel:+86-571-85781376
Fax:+86-571-85783211
Cellphone:+86 13868190066
Skype:clarkchenok
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