Quantitative Filter Paper - 0740-0700 - Grade 74, 7cm 74 which is then acid-washed using

which is then acid-washed using IN HNO3

Grade 319 offers both moderately high flow and absorption and is recommended for chromatography of heavy solute loading

This 100% quartz microfiber filter is available for applications requiring extremely low levels of trace elements or media that can withstand temperatures between 500 C and 900 C

ozone-level

7 cm size)

Quantitative Filter Paper - 0740-0700 - Grade 74, 7cm 74 which is then acid-washed usingAhlstrom Munksj 74 2. 0 m, Medium Speed This grade has medium flow rate and good particle retention and is the most commonly used acid washed filter. Grade 74 covers a wide range of general ashless filtration applications. It is used for gravimetric analysis of numerous components (e. g.: cements, copper, clay, bismuth, silicon, iron) found in heavy industries such as construction, mining or steel. Grade 74 is also used as a high purity filter for