100pcs 7/9/11/15cm Laboratory Qualitative Circular Fast Speed Filter Pape^MO

Description

Features:
1.Qualitative analysis filter paper is relative to quantitative analysis of filter paper and layer analysis clearly hope that filter paper, paper loose, liquid has a strong absorption function.
2.The training filter paper generally has more residue ash, only for general qualitative analysis.
3.The quick filter paper only waits 3-5 hours relative to the medium-speed filter paper.
3.The filter paper is divided into diffusion ring, sedimentary ring, oil ring.
Diffusion ring: The diffusion ring is on the periphery of the sedimentary ring, which is a trace of the outward diffusion of fine particles suspended in the oil. The thinner the particles, the farther they spread.He says the oil additives are able to disperse pollutants.
Sedimentary ring: Colors range from light yellow to brownish-red, indicating the degree of oxidation of oil.
Package Included:
100pcs Filter Paper
Note:
1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.
2. Please forgive 0.39in-1.18in measuring deviation due to manual measurement.
3.Due to long shipping, the item may damage in transit, if the item damage, pls contact us firstly immediately before leave feedback,
Thank you for your understanding
On Aug-09-21 at 09:34:07 PDT, seller added the following information: