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Table 1 Specifications of Whatman membranes used in this study

From: A protocol for enumeration of aquatic viruses by epifluorescence microscopy using Anodisc™ 13 membranes

Filter name

Part Number

Filterable Diameter (mm)

Pore Size

(μm)

Flow ratea

Porosity (pores/cm2)

Burst strength

(psi)

Autoclavable

Cost per filter (USD)

Anodisc™ 13

6809-7003

13

0.02

4.9, 0.3

1010

65-110

yes

2.08

Anodisc 25

6809-6002

21

0.02

4.9, 0.3

1010

65-110

No

5.10

Nuclepore™ 15

110601

25

0.015

N/A, 0.002-0.04

108

> 15

Yes

1.84

Nuclepore 30

110602

25

0.03

N/A, 0.06-0.20

108

> 15

yes

1.32

  1. Information obtained from Whatman North America.
  2. a water, air L/min/cm2 @ 10 psi, 25°C.