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No. 40

No. 40

No. 40 Quantitative Ashless Paper

-- Most widely used general purpose gravimetric filter paper; acid washed, ash content 0.007%
-- Medium speed and retention (8 µm); rough surface
-- Used for calcium oxalate, silica in steel and well-digested barium sulfate; as a high-purity filter in the collection of trace elements and radionuclides in the atmosphere
-- Used as a support for x-ray fluorescence and as a sample carrier for Shoeniger combustion
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Filter Paper, Grade 40, 55mm (100/pk)

◾︎ AW Part Number: 1440-055
◾︎ OEM Part Number: 1440-055

$26.83

Filter Paper, Grade 40, 70mm (100/pk)

◾︎ AW Part Number: 1440-070
◾︎ OEM Part Number: 1440-070

$27.99

Filter Paper, Grade 40, 90mm (100/pk)

◾︎ AW Part Number: 1440-090
◾︎ OEM Part Number: 1440-090

$38.98

Filter Paper, Grade 40, 110mm (100/pk)

◾︎ AW Part Number: 1440-110
◾︎ OEM Part Number: 1440-110

$46.20

Filter Paper, Grade 40, 125mm (100/pk)

◾︎ AW Part Number: 1440-125
◾︎ OEM Part Number: 1440-125

$52.33

Filter Paper, Grade 40, 150mm (100/pk)

◾︎ AW Part Number: 1440-150
◾︎ OEM Part Number: 1440-150

$69.38

Filter Paper, Grade 40, 185mm (100/pk)

◾︎ AW Part Number: 1440-185
◾︎ OEM Part Number: 1440-185

$102.17
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