Qualitative filter paper (Grade 2 47mm) 1 pack (100 sheets) 1002-047 1 pack (100 sheets)

A general-purpose filter paper that is widely used to detect and identify substances contained in samples. A wide range of products available in terms of size, particle retention, thickness, etc. You can select filter paper with specifications equivalent to JIS standards* (the closest product in the product group) *Regarding "JIS equivalent": The grades listed are the closest to the grades in the product group. Grades that are "JIS equivalent" are listed to make it easier to determine the appropriate grade for your own analysis and experiment. Please consider them as a guide only, as they do not cover all the test items in the JIS standard and do not necessarily completely meet the standard range. For more information, please contact Bio Direct Line (Tech-JP＠cytiva.com). Compared to Grade 1, it has higher retention and absorbency. The filtration speed is slightly slower. One use of the absorbent is to retain soil nutrients during plant growth tests, and to monitor specific impurities in the air or soil. Note: For research and testing purposes only. Features: Medium speed Particle retention capacity (liquid) (μm): 8* *Particle diameter at 98% retention efficiency. Filtration speed (approximate) (Herzberg) (sec): 240 Air permeability (sec/100mL/in2): 21 Thickness (μm): 190 Gravimetric weight (g/m2): 103 Type: General qualitative filter paper Japanese Industrial Standard JIS P 3801: Type 2 Ash content (%): 0.060 Weight (g/m2): 97 Initial Filtration Rate*: 55 * Filtration speed This is a modified test method of ASTM D981-56, and is the time it takes for a 15 cm diameter filter paper folded in four to filter 100 mL of water, expressed in seconds. - Diameter (mm): 47