Government Scientific Source

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Accuracy

±0.4mg

Airflow Rate

4L/min./cm2

63.6L/min./cm2

44.5L/min./cm2

Air Resistance

50mm of H2O

35mm of H2O

Bubble Point

2.2 bar

Capacity Metric

1 L

4 L

Autoclavable

Yes

Capacity Metric

500 mL

Closure Size

Color Overall

White

Color

White

ColorCode

White

Diameter English Outside

1.4 in.

2.1 in.

4.33 in.

1.6 in.

5.9 in.

0.98 in.

1.8 in.

3.5 in.

0.9 in.

2.7 in.

Diameter Metric

47 mm

55 mm

24 mm

21 mm

37 mm

Diameter Metric

90 mm

25 mm

4.7cm

70 mm

150 mm

Diameter Metric Outside

4.2cm

5.5cm

4.7cm

2.5cm

7cm

11cm

150mm

24mm

3.7cm

70mm

9cm

Diameter EnglishOutside

0.82 in.

3.5 in.

Description

Whatman Grade GF/F filter from Cytiva's business is manufactured from pure borosilicate glass. GF/F offers very fine particle retention and good loading capacity and flow rate.

GEG??s Whatman brand Grade GF/B is a thick filter with fine particle filter and good loading capacity. GF/B filters are particularly useful for liquid clarification and liquid scintillation counting.

Style: Filtering; Top style: Heavy duty rim

Style: Filtering; Top style: Beaded rim

Whatman Grade 934-AH borosilicate glass microfiber filters from GE are smooth water quality filters with high retention efficiency. Grade 934-AH filters are often used in total suspended solids analysis.

Threaded side-arm

Filter Code

HAWP

Flow Rate

3.7 sec./100mL/in.2

Fast

5.5 sec./100mL

60mL/min./cm2

1.6mL/min./cm2

5.8mL/min./cm2

6mL/min./cm2

19 sec./100mL/in.2

For Use With Application

Eliminate reagent and waste disposal costs, may reduce blank variability and provide lower levels of background metals compared to onsite washing

Determination of volatile suspended matter in wastewater and industrial effluents

Clarification of aqueous solutions, particle analysis and microbiology analysis

Perfect for measuring heavy metal concentrations and small amounts of particles

Prefilteration of proteinaceous and heavily contaminated liquids

Water/wastewater analysis of suspended solids, biochemical filtration, microorganism retention, harvesting lymphocytes, other cells, scintillation counting

General purpose, clinical specimen filtration, recommended prefilter for 0.45µm pore size or smaller membrane filters

General purpose, air pollution monitoring, biochemical biological filtration cells, precipitated proteins, scintillation counting, radioimmunoassays

Particle filtration, particle analysis, prefiltration of solvents and paint monitoring

Recommended for DNA binding and purification.Very effective in filtering finely precipitated proteins.Can be used in conjunction with GF/D as a prefilter for the successful clarification of extremely G??difficultG?° biochemical solutions and fluids and nu

Recommended for use with filter holder in filtering highly granular samples or those with <10% solids, TCLP

Total suspended solids and other gravimetric analyses

Used in LSC techniques where high loading capacity is required.

Vacuum Filtration Using Classic Filter Holders

Used for determining total suspended solids in water, removal of turbidity and filtration of bacterial culturesUsed for a wide range of laboratory applications.It is recommended for water pollution monitoring, cell harvesting, liquid scintillation count

Provide ultrafast filtration of tissue culture media, additives, buffers and other aqueous solutions. This membrane is also used in many ready-to-use sterile filtration devices.

Recommended for DNA binding and purification.Very effective in filtering finely precipitated proteins.Can be used in conjunction with GF/D as a prefilter for the successful clarification of extremely G–difficultG– biochemical solutions and fluids and nu

Diameter English

1.8 in.

Filtration Time

47 sec./100mL

Diameter English Outer

7.79 in.

Diameter MetricOutside

2.1cm

9cm

For Use With Equipment

Millipore aerosol analysis monitors

Landes zero-headspace extraction unit

Detects

Bacteria, inorganic contaminants, algae, brain

Filter Type

Depth filter

Prewashed TCLP filter

Membrane

Diameter Metric Outer

47mm

75mm

198 mm

Diameter Metric Outer Tubing

1.25 cm

1 cm

Disposable

Filter Surface

Plain

Diameter Metric Membrane

75mm

FilterType

Plain

FeedwaterTemperature Metric

100°C

Format

Circles

Grade

Grade GF/B

AQFA

Grade 934-AH

AP40

Graduation Range

1500 to 3500 mL

Grade

AP25

Grade GF/F

Graduations

500 mL

Height English

14.01 in.

Hydrophobicity

Hydrophilic

Height Metric

35.6 cm

Material

Polyethersulfone (PES)

Nylon

Borosilicate Glass

Borosilicate Glass Fiber

Fiber

Borosilicate Microfiber Glass

Membrane Type

Plain

Gridded

Protein BindingCapacity

150µg/cm2

110µg/cm2

Temperature MetricMax

500°C

Includes

Binder resin

Includes

Thin absorbent pads

Material

Mixed Cellulose Ester

Glass-Fiber

Glass Fiber

Liquid Flow Rate

40 mL/min.cm2

Membrane

Glass

Membrane

PES

No per Case

12/Cs.

6/Cs.

100

Particle Retention

1.5 µm

1.0 µm

2.5µm

0.7 µm

0.8 to 8µm

1.2µm

1.6µm

No per Case

12/Cs.

No per Pack

1/Pk.

6/Pk.

100

Product Type

Net Filter

ProWeigh Double Weigh Filter

Pore Density

Pore Size

0.2µm

0.7µm

2µm

1.0 µm

MouthStyle

Narrow

Product Type Specs

Circle; Dia.: 24mm

Glass microfiber filter

PoreSize

11µm

0.22µm

Quantity

500

100Pack

Quantity

25Pack

Size English

1.85 in.

Neck Style

Narrow mouth

No per Pack

6/Pk.

Sterility

Non-sterile

Stopcock

No. 8 perforated silicone stopper mounts in standard 1 L and 4 L filtering flasks

Surface Type

Smooth

Plain

Sterility

Sterile

Thickness English

0.01 in.

0.027 in.

0.017 in.

0.018 in.

Thickness Metric

675 µm

475µm

65µm

0.32mm

1200µm

420 µm

435 µm

Type

Prefilters

Grade GF/F Filter for TCLP Test Use, 90 mm circle (25 pcs)

Grade GF/F Filter for TCLP Test Use, 21 mm circle (100 pcs)

Membrane Filter

Grade GF/F Filter for TCLP Test Use, 25 mm circle (100 pcs)

Grade GF/F Filter for TCLP Test Use, 37 mm circle (100 pcs)

Nylon Woven Net Filter

Grade GF/F Filter for TCLP Test Use, 47 mm circle (100 pcs)

Grade GF/B Filter for Liquid Scintillation, 70 mm circle (100 pcs)

Grade GF/F Filter for TCLP Test Use, 55 mm circle (100 pcs)

Glass fiber filter binderless

Grade 934-AH Filter for Total Suspended Solids Analysis, 24 mm circle (100 pcs)

Grade GF/B Filter for Liquid Scintillation, 150 mm circle (25 pcs)

Weight Metric

0.1mg

143g/m2

64g/m2

Temperature Range Metric

75°C

Thickness Metric

430µm

0.69mm

0.28mm

150µm

Temperature English Maximum

1022°F

221°F

1742°F

932°F

Temperature Metric Max

105°C

950°C

500°C

550°C

Temperature Metric Operating

100°C

Waterflow Rate

341 mL/min

81 mL/min

41 mL/min

Weight English

2.20 lb.

Thickness English

0.047 in.

0.02 in.

0.016 in.

0.002 in.

0.012 in.

Wettability

Hydrophilic

Temperature EnglishMaximum

932°F

Temperature Range English

167°F

If you are viewing this page as a nonregistered user, the price(s) displayed is list price. To view your customer-specific pricing, log in or become a registered user here.

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