Glass microfibre filters, grade 934-AH RTU, pre-treated, Solids, double weigh

To be used for solid analysis as well as a wastewater filter for a wide range of water monitorings.
Pre-washed, dried or ignited, cooled and weighed Glass Microfibre filters, which eliminate the pre-treating steps that are otherwise required by the US EPA Laboratory Standard Method 2540 parts C, D, and E. These glass microfiber filter papers also have fine particle retention of 1.5 µm at high flow rates to process heavy, turbid samples.
Each ready-to-use filter is placed in an individually barcoded aluminum pan that notes the filter weight. Each box contains an additional box ID and barcode that can be used to download the weights of all 100 pans in that box.

For suspended and dissolved solids. Pre-washed, 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.
The drying, cooling and weighing steps are repeated twice for highest regulatory concerns.