THE MOST COMMON TYPES OF QUALITATIVE FILTER PAPER TODAY

Commonly Used Qualitative Filter Papers in Laboratories

Qualitative filter papers are widely used both inside and outside laboratories due to their versatile features. They are made from high-quality cellulose fibers that are processed to maximize alpha cellulose. Depending on different characteristics such as particle retention, thickness, and weight, these laboratory filter papers are divided into various types. Below, we will introduce the most commonly used types of qualitative filter papers, which also serve as standards for evaluating and comparing the quality of other filter papers used in the lab.

Qualitative Filter Paper No. 01

Qualitative Filter Paper No. 01 is the foundational product from Advantec when it was first introduced to the market. It has the ability to filter and remove precipitates, serving qualitative analysis. Made from 100% cotton linter cellulose, this filter paper is highly durable and can withstand temperatures up to 120ºC, making it suitable for moderate temperature conditions. The ash content after incineration is 0.1%, with a high retention ratio for large crystal particles and colloidal precipitates.

Thus, this filter paper has a fast filtration rate, flat surface, and medium hardness. It is ideal for use in research and development, quality control, and product quality calibration. It is also applied in basic fields such as food and beverages, pharmaceuticals and cosmetics, and microelectronics.

Qualitative Filter Paper No. 02

Similar to Filter Paper No. 01, Qualitative Filter Paper No. 02 is produced using advanced technology from Japan, which results in high durability and excellent filtration efficiency. This product is available in 7 different grades, allowing customers to choose according to their needs. Additionally, this filter paper has an important feature: it filters medium-level crystalline precipitates. It has a fast filtration rate, a flat surface, and medium indentation resistance. This makes it highly suitable for use in R&D and QC, food & beverages, pharmaceuticals & cosmetics, chemicals, and microelectronics.

Laboratory Filter Paper No. 101

This filter paper is capable of retaining large crystal particles. It has a fast filtration rate, a wrinkled surface, and medium hardness. The pH range of this filter paper is from 0 to 12, making it suitable for a wide range of users. A special feature of Filter Paper No. 101 is its ability to effectively filter bacterial culture liquids.

Qualitative Filter Paper No. 131

Qualitative Filter Paper No. 131 is used for filtering and removing precipitates. It is widely applied in labs, food and beverage industries, pharmaceuticals, cosmetics, chemicals, and microelectronics. This filter paper stands out for its high filtration efficiency with precipitates like Barium Sulfate, and a relatively fast flow rate. Furthermore, it can withstand temperatures up to 120ºC. This paper is excellent for monitoring cloud and water systems as well as soil analysis. In the food industry, it is used to separate solid foods from related liquids or to extract liquids. It is also commonly used in teaching simple qualitative analytical methods.

TOP 5 MOST COMMONLY USED FILTER PAPERS

Conclusion

The filter papers mentioned above are some of the most popular qualitative filter papers available on the market today. We hope that this information helps customers gain a general understanding of these practical products. Especially, laboratory equipment from Advantec (Japan) provides essential solutions in biochemical research, enabling researchers to obtain the most accurate results by eliminating most contaminants from solution samples. Please contact us at the hotline: 093.131.9988 for advice and enthusiastic support when purchasing filter papers and other products.

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