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Qualitative Filter Paper Diameter 11 cm Circular Oil Detection Filter Paper Laboratory Filtration Paper Free Shipping 100Pcs/pk

$15

500-999
Pieces
$14.25

1000-1999
Pieces
$13.5

2000-4999
Pieces
$12

≥5000
Pieces

500 Piece/Pieces (5 batch) (Min. Order)

1 batch = 100 Piece/Pieces

option:

Fast filter speed
Medium filter speed
Slow filter speed

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Product Description

Overview

Product Attributes

Brand Name:: Jvlab

Model Number:: 11cm

Product:: Qualitative Filter Paper

Specification:: 11cm

Filtration rate:: Fast/Medium/Slow

Package:: 100 Pcs/Pk

Brand Name:: JVLAB

Packaging & Delivery

Selling Units:: Piece/Pieces

Single package size:: 40cm*30cm*20cm

Single gross weight:: 1kg

Lead Time :

Quantity（Piece/Pieces）	1 ~ 100000	>100000
Est. Time（days)	7	To be negotiated

If you finish the payment today, your order will ship out within the delivery date.

Diameter: 11cm
Package: 100 pcs/pk
Product Features:

Quantitative analysis of the type of paper divided into fast, medium and slow speed, paper size divided by the diameter of 7cm, 9cm, 11cm, 12.5cm, 15cm and 18cm.
Quantitative filter paper is widely used in scientific research, industry, agriculture, medicine and health, and environmental protection, etc., for qualitative analysis and testing purposes.
Quantitative analysis filter in the manufacturing process, the pulp is treated hydrochloric acid and hydrofluoric acid, and washed with distilled water, to remove most of the impurities in the paper fibers, so very little residual ash, the analysis of the results has little effect on an ignited, adapted for precise quantitative analysis.
Quantitative filter paper High quality cotton as raw materials to the use of modern papermaking unique technology and advanced equipment made of paper, it is a high purity, uniform texture, with a certain speed and a certain strength of filter cotton paper.

Instructions:
1. The filter paper folded, two consecutive, stacked into a 90 ° central angle shape.
2. The folded filter paper, according to one side of the three, the other side of a layer of open, into a funnel-shaped.
3. The funnel-shaped filter paper into the funnel, filter paper edge to be lower than the funnel edge, pour some water to the funnel mouth, so wet the filter paper and the funnel wall stick, then the rest of the water drained, stand-by.
4. Place the funnel with the filter paper on the filter hopper (eg on the ring of the iron frame), and lower the beaker or test tube containing the filtrate in the funnel neck and the funnel neck tip against the wall of the receiving container.
5. To the funnel into the need to filter the liquid, the right hand holding liquid beaker, left hand holding a glass rod, the bottom of the glass bar on the low side of the funnel on three, so close to the glass stick glass, to be filtered out along the cup along the liquid, Along the tilt of the glass rod, homeopathy into the funnel, the funnel into the liquid, the liquid surface can not exceed the height of the filter in the funnel.
6. When the liquid through the filter paper, along the funnel neck down, to check whether the liquid downstream along the wall along the cup, note to the bottom of the cup. Otherwise, you should move the beaker or rotary funnel, so that the funnel tip and the beaker wall affixed to the liquid can be slowly along the inner wall of the beaker.

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