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  5. Merck Quartz Fiber Membrane Filter Without Binder

Merck Quartz Fiber Membrane Filter Without Binder

Product Code. 11778792 Shop All Merck Products
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Diameter (Metric):
3.7 cm
4.7 cm
9 cm
11 cm
Unit Size:
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Pack of 50
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Product Code. Diameter (Metric) unitSize
11778792 4.7 cm Pack of 100
11768792 3.7 cm Pack of 100
11788792 9 cm Pack of 50
11798792 11 cm Pack of 50
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Product Code. 11778792 Supplier Merck Supplier No. AQFA04700
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260.02 GBP valid until 2026-05-31
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Description

Hydrophilic quartz fiber filter

Millipore fibrous disc filters are available in a wide range of flow rates and throughput capacities.

Quartz Fiber Filters (Type AQFA)
Made of quartz fibers with no glass fibers or binders.  Millipore's pure quartz manufacturing process involves a heat treatment step to improve the composition and prevent the filters from reacting with acidic gases, unlike glass fiber filters that can react and cause false readings. This makes quartz filters well suited for measuring heavy metal concentrations and small amounts of particles (such as the US EPA PM 10 ambient air monitoring method).

The quartz filters also exhibit good weight and form stability.

TRUSTED_SUSTAINABILITY

Specifications

Airflow Rate 44.5 L/min/ cm2
Air Resistance 50 mm of H2O
Autoclavable Autoclavable
Color White
Filter Type Depth Filter
Material Quartz Fiber
Sterility Sterile
Flow Rate 1.6 mL/min/ cm2
For Use With (Application) Perfect for measuring heavy metal concentrations and small amounts of particles
Grade AQFA
Hydrophobicity Hydrophilic
Surface Type Plain
Temperature (English) Max. 1742°F
Temperature (Metric) Max 950°C
Thickness (English) 0.016 in.
Thickness (Metric) 430 μm
Type Filter Membranes
Wettability Hydrophilic
Diameter (English) 1.8 in.
Diameter (Metric) 4.7 cm
Diameter (Metric) Disc 4.7 cm
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