Ashless Filter Paper

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

Advantec Quantitative Ashless Filter Papers are made from the highest quality alpha cotton cellulose. One critical step in the manufacturing process of these filter papers is acid washing. All grades are double acid washed in hydrochloric then hydrofluoric acid to reduce levels of SiO2, CaO, and…

…retention of all Whatman cellulose filter papers from Cytiva . Ashless: 0.007% ash maximum for Grades 40 to 44. These are very pure filters suitable for a wide range of critical analytical filtration procedures. Whatman quantitative filters from Cytiva are designed for gravimetric…

…ashless filter paper for your gravimetric analysis needs. See our other ashless grades to find the right filter for your sample, or use our hardened ashless grades if your analysis involves strong acid/alkali suspensions. Applications for high-purity Grade 40 filters High-purity filters…

… This fastest ashless filter paper is also used in quantitative air pollution analysis as a paper tape for impregnation when determining gaseous compounds at high flow rates. This filter is also available in a disposable filter funnel. This is a convenient, disposable 47 mm filter funnel with a 250…

…ashless: 0.006% ash maximum. These filters are acid-hardened to give high wet strength and chemical resistance with extremely low ash content. The tough surface makes these filters suitable for a wide range of critical filtration procedures. These are the supreme quantitative filter papers…

…Whatman ashless filter paper grades. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis. Whatman quantitative papers come in a variety of particle retentions. Also see hardened ashless grades for work with strong acids or bases. Ashless paper for…

…Grade 41 environmental pollution papers are among the fastest filter papers in the Whatman ashless range. This gravimetric filter is well suited for quantitative analysis of soil and air. Aside from Grade 41 environmental pollution papers, Whatman quantitative paper comes in a variety of particle…

…column Whatman quantitative filters from Cytiva business are designed for gravimetric analysis. Grade 589/2 Whatman ashless filter paper can also be purchased as pre-pleated 589/2 ½ sheets. General filtration with quantitative papers Grade 589/2 ashless filter paper can be used when medium fine…

Whatman Grade 589/3 ashless filter paper fromCytiva is particularly useful in capturing very fine particulate samples such as insoluble molecules in fats or oils or supporting ash free dry mass. High purity ( ‘Blue ribbon filter’ Very fine precipitate retention (class 2d acc. to DIN 53 135) …

…Whatman Grade 541 acid hardened cellulose filter paper features high wet-strength, high chemical resistance, and a large nominal particle retention for fast analytical filtration. Along with fast Grade 541 filter paper, the hardened, ashless range from Cytiva business includes general-purpose…

…purity from filter to filter. Quantitative analysis Low ash content 0.007% (Acid-wash treated) High wet-strength Consistent performance Custom cut Bulk packaging Ashless Grades (Ash 0.007%) These standard ashless grades are high purity filter papers suitable for…

…purity from filter to filter. Quantitative analysis Low ash content 0.007% (Acid-wash treated) High wet-strength Consistent performance Custom cut Bulk packaging Ashless Grades (Ash 0.007%) These standard ashless grades are high purity filter papers suitable for…

… Consistent performance Hardened grades available Custom cut Bulk packaging Ashless Grades (Ash 0.007%) These standard ashless grades are high purity filter papers suitable for routine quantitative gravimetric techniques and in the preparation of samples for use…

…purity from filter to filter. Quantitative analysis Low ash content 0.007% (Acid-wash treated) High wet-strength Consistent performance Custom cut Bulk packaging Ashless Grades (Ash 0.007%) These standard ashless grades are high purity filter papers suitable for…

… Bulk packaging Hardened Ashless Grades (Ash 0.006%) These specially treated hardened ashless grades are available for critical quantitative analytical techniques requiring increased wet-strength and handling capacity. These high purity filter papers have a tough, smooth surface free…

… Bulk packaging Hardened Ashless Grades (Ash 0.006%) These specially treated hardened ashless grades are available for critical quantitative analytical techniques requiring increased wet-strength and handling capacity. These high purity filter papers have a tough, smooth surface free…

… Bulk packaging Hardened Ashless Grades (Ash 0.006%) These specially treated hardened ashless grades are available for critical quantitative analytical techniques requiring increased wet-strength and handling capacity. These high purity filter papers have a tough, smooth surface free…

Quantitative filter papers: Ashless quantitative filter papers are made of refined pulp and cotton linters with over 95% alpha-cellulose content. These filter papers are guaranteed to be free of any residual acids and have an ash content of

…This media family is also widely used in methods to prepare samples for further testing using many types of instrumentation. These ashless filter papers are manufactured from refined pulp and linters. They are acid washed and have an extremely low ash content of <0.01%. CFP40:…

…where it is desirable to recover the precipitate from the filter surface after filtration. Other characteristics include high wet strength and chemical resistance, which are similar to those of the acid-hardened ashless filter papers. Grade 54: 22 µm Cytiva products are intended…

…is a simple procedure and involves placing a few milliliters of absorbent solution in a flask. The sample is weighed out and placed in an ashless filter paper holder which in turn is placed in a platinum basket attached to the stopper of the flask. The flask is filled with oxygen and the stopper is…

Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 391 is slowly filtering and used for fine-grained precipitates such as barium sulfate, metastannic acid, and cuprous oxide. Retention of 2-3 microns.

…analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 392 is medium to slowly filtering and used for fast filtration of fine precipitates such as calcium oxalate, magnesium ammonium phosphate, and coarser…

…Filter Paper, Ahlstrom 388 Suitable for routine gravimetric analysis and typical preparation of samples for use in analysis involving instrumental techniques. Low ash grades have intermediate ash content between qualitative grades and ashless grades. Grade 388 is fast filtering and used…