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
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
paper :
pure cotton cellulose
flow :
medium
retention :
10~15 μm
(medium)
speed :
30~35 s
(10ml DIN 53137)
size :
⌀ 70 mm
thickness :
150 μm
weight :
86 g/m²
ash :
0.1%
qty :
100 discs
PLAIN-DISCS
These
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.
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Return Policy
All our products are brand new and sealed. All items qualify for returns within 30 days of receipt.
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