FAVENGO 100 Pcs Qualitative Filter Paper 11 cm Medium Filtering Speed Paper Filter Round Filter Paper Laboratory Filtration Lab Supplies with 15-20 um Particle Retention for Lab Supply Oil Industry
Original price was: £11.52.£9.60Current price is: £9.60.
- ??100 Sheets of Medium-speed Qualitative Filter Paper Set????The set includes 100 sheets of neutral qualitative filter paper with a diameter of 11cm. Their pore size is between 15-20??m, the filtration rate is between 35-37s, and the ash content is not more than 0.15%. It is mainly used for ashing and weighing analysis experiments after filtration, and the filtration of most organic solutions and aqueous solutions.
- ??Perfect Filtering Effect????High-quality filter paper with medium flow rate and good particle retention capacity can separate coarse and gelatinous precipitates from the solution to obtain the correct performance. Medium-speed qualitative filter paper is commonly used in various laboratory applications for identifying and clarifying liquids.
- ??Oil Detection Test????By observing the oil spots on the qualitative filter paper, you can better judge whether you need to change the oil. When there is no obvious boundary between the precipitation zone and the diffusion zone of the oil spot, the color of the entire oil spot is evenly distributed, and the oil ring is yellow with different depths and is light and bright, the oil is of good quality. Otherwise, the oil needs to be changed.
- ??Good Stability & Arbitrary Cutting????The round filter paper is made of cotton fiber material, which has good liquid absorption performance. The white filter paper has excellent workmanship, is non-toxic, tasteless, high temperature resistant, has good strength and stable chemical properties. You can choose a suitable filter according to the items to be filtered, and the filter paper can also be cut according to your needs.
- ??Perfect Experimental Tool????Qualitative filter paper is suitable for general chemical applications and petroleum industry testing. The qualitative filter paper can be used for simple qualitative analysis, as well as liquid determination and clarification. Applications include food industry, agriculture, air pollution monitoring, medicine and health, scientific research, environmental protection departments, etc.
FAVENGO 100 Pcs Filter Papers—-Ideal for routine applications!
?? Replaceable Chemical Filter Paper Set
-Including 100 sheets of neutral qualitative filter paper with a diameter of 11cm, their pore size is between 15-20??m, the filtration rate is between 35-37s, and the ash content is not more than 0.15%.
?? Good Stability & Arbitrary Cutting
-The round filter paper is made of cotton fiber material, which has good liquid absorption performance. The white filter paper has excellent workmanship, is non-toxic, tasteless, high temperature resistant, has good strength and stable chemical properties. You can choose a suitable filter according to the items to be filtered, and the filter paper can also be cut according to your needs.
?? How to use it?
1. Fold the filter paper twice and fold it with a 90 degree angle as the center.
2. Open the folded filter paper into three layers on one side and open on the other side to form a funnel shape.
3. Insert the funnel-shaped filter paper into the funnel. The edge of the filter paper should be lower than the edge of the funnel. Soak the filter paper in water, and then rest it on the funnel.
4. Place the funnel and filter paper on the funnel holder, and place the tip of the funnel neck against the side wall of the container.
5. When filling the liquid to be filtered into the funnel, please hold the beaker to the right and the glass rod to the left, so that the cup adheres to the glass rod, and then flows into the funnel rod along the inclined position of the glass. The liquid must not exceed the height of the filter paper in the funnel.
6. Always keep the liquid flowing down the cup.
Specification:
Material: Cotton Fiber
Color: White
Size: As Shown
Packing Includes:
100 x Filter Paper
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