Whatman Grade 934-AH RTU Filter for Total Suspended Solids Analysis, 47 mm, 100/pk
Our Whatman filter papers 934AH family of products come in three different varieties:
934AH RTU for Suspended and Dissolved Solids—prewashed, dried, cooled, and weighed filters with certified mass loss between washing and drying steps of the lesser of less than 0.5 mg or 4% in accordance with US EPA Lab Standard Method 2540 parts C and D. (Most filters come weighed to four decimal places, however a version of the 47 mm glass microfiber filter can be measured to five decimal places if needed.)
Readytouse for Volatiles—prewashed, preweighed and prefired at 550°C aligned to US EPA Laboratory Standard Method 2540 parts C, D, and E.
RTU Double Weigh—drying, cooling and filter paper weighing steps repeated twice for customers with the highest regulatory concern.
Economy versions of 934AH RTU dissolved, suspended, and volatiles testing filters are also available. These filter papers are prewashed and dried but not weighed and do not come with barcodes.
Preweighed and prewashed, these readytouse (RTU) Whatman Glass Microfiber Filter Papers are the timesaving version of Cytiva's 934AH glass microfiber filter papers. Use for total suspended solids analysis, dissolved solids and volatiles.
What are grade 934AH RTU (readytouse) Whatman glass microfiber filter papers used for?
Whatman 934AH ready to use (RTU) glass microfiber filter papers are widely used for dissolved, suspended and volatiles solid analysis. They are also used for a wide range of industrial and environmental water monitoring applications including the monitoring of rivers, lakes and coastal waters, as well as analyzing purified discharge of wastewater treatment plants and monitoring discharge water from industrial plants.