LabExact
Grade 934-AH® Glass Microfiber Prewashed Filters, 1.5µm, 47mm, TSS/VSS Analysis, 100/Pk SKU: LE-AH-WD-4700

Featuring prewashed borosilicate glass microfiber technology processed per EPA Standard Methods 2540 C, D & E¹ using reagent grade water under strict controls to eliminate extraneous fiber contamination. Advanced washing protocols remove water-soluble materials that could interfere with gravimetric accuracy, delivering ready-to-use filtration media that accelerates TSS and VSS analytical workflows while maintaining stringent quality assurance standards. Fine porosity construction with 1.5µm particle retention provides optimal balance of high retention efficiency and exceptional flow rates for large-volume wastewater analysis applications.

Key Glass Microfiber Membrane Characteristics

Binderless borosilicate glass construction enables continuous operation up to 550°C for volatile suspended solids ignition procedures
1.5µm particle retention with fine porosity matrix delivers superior efficiency for suspended solids capture
Smooth surface topology with high retention efficiency maximizes loading capacity while maintaining fast flow rates
Pre-processing eliminates washing, drying, and initial weighing steps required by standard methods, reducing preparation time
Industry standard compliance for Standard Methods 2540D and EPA Method 160.2 ensures validated analytical performance

Key Construction Characteristics

High loading capacity with fast filtration rates accommodates challenging wastewater samples with elevated particulate levels
47mm diameter configuration fits standard filtration apparatus and EPA-specified sampling equipment for consistent methodology
Processed to achieve <0.5mg mass loss criteria eliminating pre-use conditioning requirements and ensuring immediate analytical readiness
Pure borosilicate glass composition without organic binders prevents interference in volatile solids determinations
Packaged in protective plastic containers maintaining cleanliness and preventing contamination during storage

LE-AH-WD-4700 filters eliminate time-consuming preparation protocols while delivering EPA Standard Methods 2540 C, D & E¹ compliance for both Total Suspended Solids and Volatile Suspended Solids analysis. This ready-to-use approach removes critical preparation steps from analytical workflows, accelerating sample processing while maintaining the high levels of quality assurance demanded by environmental monitoring applications. Validated performance across water pollution monitoring, cell harvesting, liquid scintillation counting, and air pollution monitoring transforms these prewashed filters into versatile analytical tools, providing consistent results for your critical environmental compliance and research applications requiring both precision and efficiency.

¹ EPA Standard Methods 2540: https://www.standardmethods.org/doi/10.2105/SMWW.2882.030