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1442-090 - Grade 42 Ashless Filter Paper for Instrumental Analysis, 90 mm Circle - Whatman Quantitative Filter Papers, Ashless Grades (ash 0.007%), Grade 42, GE Healthcare - Pack of 100
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About 1442-090 - Grade 42 Ashless Filter Paper For
GEs Whatman Grade 42 quantitative papers have the finest retention of all Whatman ashless filter paper grades -Fine (2.5 m) nominal particle retention rating, eliminates large particles that might otherwise interfere with sensitive instrumentation -Commonly used as a calcium carbonate filter Whatman quantitative papers come in a variety of particle retentions. Also see hardened ashless grades for work with strong acids or bases. Whatman Grade 42 quantitative papers from GE Healthcares Life Sciences business are designed for retention of extremely small particles. A common example is use of Grade 42 as a calcium carbonate filter for analysis in the cement industry. Ashless paper for gravimetric and instrumental analysis. Other typical precipitates for gravimetric analysis include barium sulfate and metastannic acid for use in glazes, coatings, and pigments. The high purity of GEs Grade 42 filters also makes them suitable for processes that require ashing. Grade 42 is designed for gravimetric analysis and sample preparation for instrumental analysis.
