7 cm Lab Filter Paper, Standard Qualitative Grade 2 - ZENPORE Slow Flow 70 mm...

Description

Brand New 7 cm Lab Filter Paper, Standard Qualitative Grade 2 - ZENPORE Slow Flow 70 mm (100 Discs)
Manufacturer model:
ST002-70
GRADE 2 : 7cm - Equivalent to Whatman qualitative grade 2, standard lab filter paper (70mm)
AGRICULTURE - Soil pre-filtration, fertilizer analysis, nutrient absorption in seed tests
BREWING TESTS - Beer and malt analysis, removal of turbidity in wort and yeast filtration
AIR / GAS FILTRATION - Pollution monitoring of specific atmospheric contaminants, smoke
HIGH RETENTION / SLOW FLOW - Retains fine crystalline particles (5~10 micron)
Description
Size:
7 cm diameter
GRADE 2 STANDARD
Qualitative Filter Paper
Equivalent to Whatman grade 2, this laboratory filter paper is widely used for standard fine filtration when you need to separate a solid or precipitate from the filtrate.
Made from high alpha-cellulose cotton, this standard lab filter is not intended for ashing.
APPLICATIONS
science :
General filtration in the 8 ?m range, clarification of cloudy suspension in labs
food :
Determination of total fat content in foodstuff and dairy, unsaponifiable fraction in fats and oils (fluted)
beverage :
Beer and malt analysis, removal of turbidity from wort and removal of yeast after fermentation (fluted)
agriculture :
Prefiltration of soil, hold nutrient in plant growth trials
environment :
Air polution monitoring of specific atmospheric contaminants and black smoke
HIGH RETENTION
Retains fine crystalline and organic precipitates around 8μm like:
Metal Sulfides
(Cd, Ni, Zn, Fe, Pb, Mn, Ag, As)
Ba Sulfate, Pb Chromate, Mg oxide
Ca Oxalate
(cold)
, Ca Fluoride, Pb Dioxide
SPECS
paper :
pure cotton cellulose
flow :
slow
retention :
5~10 μm
(fine)
speed :
40~45 s
(10ml DIN 53137)
size :
⌀ 70 mm
thickness :
160 μm
weight :
86 g/m²
ash :
0.1%
qty :
100 discs
PLAIN-DISCS
Those
Flat Discs
are suitable for gravity and Buchner low suction vacuum filtration.
The same affordable filters are also available funnel-ready as
ST002-70q
(folding) or
ST002-70v
(pleating).
EQUIVALENCE & SIZE
See the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.
Shipping and Handling
Please allow 5-7 business days for the package to arrive, regardless of buyer location within the US.
We will provide an online tracking number to you once the item has been shipped.
It may take a few business days for our automated system to process the tracking number onto eBay. However, this will not affect the shipping times.
Return Policy
All our products are brand new and sealed. All items qualify for returns within 30 days of receipt.
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