100Pcs Ashless Quantitative Filter Paper Set - 7/9/11/12.5/15/18cm, Fast Speed, 20-25um, Circular Funnel Sheets
Specification:
Material:Cotton Fiber;
Filter Type:Quantitative Filter;
Filter Speed:Fast Speed (<35s);
Ma*. Aperture Diameter:20-25um;
Ash Content:¡Ü0.01%;
Quantitative Filter Area:80¡À4g/m2;
Quantity:100Pcs/Set;
Size:(Filter Diameter);
#1: 7cm;
#2: 9cm;
#3: 11cm;
#4: 12.5cm;
#5: 15cm;
#6: 18cm;
;
Feature:
1. 100Pcs/Set quantitative filter paper, fast speed;
2. With numerous small holes on its surface made from cotton fiber, it only allows liquid particles to pass through while solid materials with large volume Note: 3. Light weight, convenient to use and carry, accurate testing;
4. It requires less filtration time than filter paper with medium and slow speed;
5. It covers a wide range of laboratory applications, which is frequently used for clarifying liquids;
6. It is widely used for gravimetric analysis or filtration where the precipitate is to be recovered;
7. It is suitable for precise quantitative analysis since there is little remaining ash which has little effect on the analysis results. The amount of ash produced after ashing does not e*ceed 0.0009%;
Note: You are supposed to make a distinction between quantitative filter paper and qualitative filter paper and choose the proper one according to your requirement;
1. The quantitative filter paper is used for gravimetric analysis or filtration where the precipitate is to be recovered, for e*ample from a Buchner funnel filtration under vacuum;
The amount of ash produced after ashing does not e*ceed 0.0009%;
2. The qualitative filter paper is used for qualitative techniques to identify materials. They do not offer the same level of precipitate recovery as quantitative filter paper;
The amount of ash produced after ashing does not e*ceed 0.13%;
Package Include:
1*100Pcs/Set Quantitative Filter Paper
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