The GxF multi-layered prefilter provides two to four times the throughput of standard glass fiber prefilter devices for quick and easy filtration of your most difficult-to-filter samples Automation Preferred certification assures you of worry-free performance 24 hours a day in automated workstations Features Specifications Filter Media
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Cellulose Depth Filters • 100% pure • Ashless • Autoclavable • Hydrophilic Gelatin Filters • Pre-sterilised for gamma irradiation • High moisture content • Water soluble - dissolves easily on agar • Suitable for bioaerosols Coated (treated) Filters • Ready to use • Time-saving • Economical • No assembly required • Meet agency method specifications
The sample preparation was done by weighing 0.1 g (accurate to 0.1 mg) of sample in a GC vial and adding 200.0 .mu.l ISTD solution (1% by volume of decane in pyridine) and 1000 .mu.l of BSTFA (N,O-bis(trimethylsilyl)trifluoroacetamide) with 1% TMSCl (trimethylchlorosilane) to the GC vial. The content was heated at 80.degree.
GH Polypro (GHP) Membrane Disc Filters All purpose, universal membrane with maximum chemical compatibility for both aqueous solutions and aggressive solvents Specifications Filter Media Hydrophilic polypropylene Pore Size 0.2 and 0.45 µm Typical Thickness 0.2 µm: 101 µm (4.0 mils) 0.45 µm: 114 µm (4.5 mils) Typical Water Flow Rate mL/min
Unlaminated PTFE Membrane Filter Specifications Performance by Pore Size Notes: 1. Airflow values calculated assuming linear relationship between volumetric airflow and differential pressure. 2. Water flows measured after prewetting with alcohol and calculated assuming linear relationship between flow and differential pressure. 3.
PTFE Unlaminated Membrane Filters, Hydrophilic, 0.2 Micron, 90mm, 25/Pk (H020A090C) Durable, efficient, and broadly compatible, these pure, hydrophilic PTFE membranes are ideal for use with HPLC seperations, aqueous/organic solvents, and many of your other filtration needs. Pack of 25.
When filtering a few samples at a time, syringe filters are commonly used. Syringe filters are available in various sizes, enabling filtration of very small sample volumes without losing significant sample to hold-up. Syringe filters prove less efficient for users typically filtering 10 – 100 samples a day (65 – 70% of users).
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Free sample ghp acrodisc Optimization of a Simplified and Effective Analytical Method For both methods, the sample was filtrated through a 0.22-µm syringe filter (GHP Acrodisc 13 mm, Pall life sciences, New York, NY, USA) before preparation of matrix-matched standards and samples for instrumental analysis.
Choosing a sample type will guide you to a selection of membranes with properties best suited to your application. For precipitate laden samples, consider using a glass fiber pre-filter to reduce clogging. Glass fiber pre-filters are available as stand alone Acrodiscs or as multilayered filters with either Nylon or GHP membranes.
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You can run 10 ul reactions but as Francisco mentioned, I would run both 10 and 20ul reactions and compare your results (ideally comparing standard curves result). The major difference between 10
unlaminated ghp membrane sample volume less 10ul Acrodisc® syringe filters GHP membrane, diam. 25 mm, pore size GHP membrane, diam. 25 mm, pore size 0.45 μm Pricing and availability is not currently available.
If the vial were to hold a maximum of 10uL, a 10ga needle could drop into the vial only 1.10mm deep (20ga: 15.4mm; 30ga: 131mm). Then the total volume of pickup at a maximum (unless drawing the