Glass microfibre filters, 934-AH™ RTU, Whatman™

Fornitore: Whatman products (Cytiva)
Whatman™ 934-AH™
WHAT9907-9436EA 193 EUR
WHAT9907-9436 513-0133 513-0132 WHAT9907-070 513-0131 513-0130 513-0140 513-0129 513-0117 513-0139 513-0128 513-0138 513-0116 513-0127 513-0115 513-0137 513-0136 513-0114 513-0135 513-0134
Glass microfibre filters, 934-AH™ RTU, Whatman™
Filtri Filtri in fibra di vetro
These 934-AH™ RTU grade filter papers have been pre-washed, dried (or ignited), cooled, desiccated and weighed, which eliminates the pre-treating steps that are otherwise required by the US EPA Laboratory Standard Method 2540 parts C, D, and E. These filter papers are widely used for dissolved, suspended and volatiles solid analysis. They are also used as a wastewater filter for a wide range of water monitoring applications including the monitoring of rivers, lakes and coastal waters, as well as analysing purified discharge of wastewater treatment plants and monitoring discharge water from industrial plants.

  • Superior fine particle retention at high flow rates
  • Capable of processing very turbid samples
  • Particle retention: 1,5 µm

934-AH™ RTU 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. Most filters come weighed to four decimal places, however a version of the 47 mm filter can be measured to five decimal places if needed.

934-AH™ RTU for volatiles: Pre-washed, pre-weighed and pre-fired at 550 °C aligned to US EPA Laboratory Standard Method 2540 parts C, D, and E.

934-AH™ RTU double weigh: Drying, cooling and weighing steps repeated twice for customers with the highest regulatory concern.

* Comes pre-washed and pre-weighed to 5 decimal places.

Confezione: The pre-weighed filter papers are packaged within an aluminium pan with the filter weight clearly printed on a heat resistant label. Each pan has a unique barcode. Each box also has a barcode that can be used to download the weights of all filters from that box.
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