7 cm Lab Filter Paper, Standard Qualitative Grade 1 - ZENPORE Medium Flow 70 ...

Description

Brand New 7 cm Lab Filter Paper, Standard Qualitative Grade 1 - ZENPORE Medium Flow 70 mm (100 Discs)
Manufacturer model:
ST001-70
GRADE 1 : 7cm - Equivalent to Whatman qualitative grade 1, standard lab filter paper (70mm)
LAB FILTER - Routinely used in lab to determine fat content, extract solids and clarify liquids
CHEMISTRY CLASS - Filter paper can teach basic qualitative separations and paper chromatography
AIR FILTRATION - Collect medium particles for pollution monitoring
MEDIUM RETENTION / MEDIUM FLOW - Retains medium crystalline particles (10~15 micron)
Description
Size:
7 cm diameter
GRADE 1 STANDARD
Qualitative Filter Paper
Equivalent to Whatman grade 1, this laboratory filter paper is commonly used in labs where 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 :
Routine qualitative analytical separations and liquid clarification in labs
food :
Solid foodstuffs separation and liquid extraction, fat content determination
beverage :
Analysis and filtration of dense liquids like fruit pulps, musts, syrups, oil or plant extracts
agriculture :
Soil analysis and seed testing
environment :
Medium particles collection for pollution monitoring (stain intensity)
education :
Basic qualitative separations teaching and paper chromatography
MEDIUM RETENTION
Retains medium-fine crystalline precipitates like:
Sulfates
(Pb, coarse form of Ba and Ca)
Carbonates
(Ba, Ca)
Phosphates
(Al, Pb, Struvite)
Chromates
(Fe, As, Pb)
Ca Oxalate
(hot)
, Pb Oxide
SPECS
paper :
pure cotton cellulose
flow :
medium
retention :
10~15 μm
(medium)
speed :
30~35 s
(10ml DIN 53137)
diam :
70 mm
thickness :
150 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
ST001-70q
(folding) or
ST001-70v
(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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