Product DescriptionOil Filtration Paper 9cm Fast Speed Ashless
Filter Paper for Laboratory Qualitative
AnalysisSpecificationsProduct name: Qualitative filter
bagMain material : cotton fibreBrand: BKMAMProduct
Size: diameter 7cm / 9cm / 11cm/ 12.5cm /15cm / 18cmPore
Size: 80-120um for fast speed;30-50um for medium speed;1-3um
for slow speedColor : white natural color Certification
: ISO 9001Pack: 100pcs/ pack and shrink-wrapped for purity and
cleanliness Advantage: * Manufactured to reduce silicon
dioxide, calcium oxide and ferric oxide levels* Made from
high-quality cotton, washed in hydrochloric acid and neutralized in
an ultrapure water rinse* Limited wet strength, suitable for
gravity or low-suction filtration; should be used with care to
avoid rupturing* Non toxic and odorless Detailed
PhotosOil Filtration Paper 9cm Fast Speed Ashless Filter Paper for
Laboratory Qualitative Analysishigh quality cotton material fast
speed/ medium speed/ slow speed models availablesize 7cm 9cm 12cm
15cm 18cm availablethickened material, not easy to get brokenWeak
acid and alkali resistCE & ISO 9001:2015
certificated Quantitative filter paper VS Qualitative filter
paper * The difference between the two is that the quality
of the ash after ignition is different. The ash content of the
quantitative filter paper is very low, it can be ignored in
gravimetric analysis. While qualitative filter paper has a lot of
ash after burning,which is not suitable for gravimetric analysis.
* qualitative filter paper is used for qualitative chemical
analysis and corresponding filtration separation, and quantitative
filter paper is used for gravimetric analysis test and
corresponding analysis test in quantitative chemical
analysisOperational Steps1.Fold the filter paper in half, twice in
a row, and fold it into a 90°center-shaped funnel.2.Press the
folded filter paper into three layers on one side and one layer on
the other side to form a funnel.3.Put the funnel-shaped filter
paper into the funnel.The edge of the funnel. Fill the funnel with
clean water so that the soaked filter paper is close to the inner
wall of the funnel. Pour out the remaining clean water and set
aside.4.Place the funnel with the filter paper on the filter funnel
rack (such as on the iron stand, on the ring), Place a filterbeaker
or test tube under the funnel neck, and lean the tip of the funnel
neck against the wall of the receiving container.5.When injecting
the liquid to be filtered into the funnel, hold the liquid cup in
the right hand and the glass rod in the left. make the cup mouth
close to the glass rod, and the filtered liquid will flow out from
the cup mouth. Then flow into the funnelobliquely along the glass
rod, leaving the liquid in the leakage body, and the liquid level
cannot exceed the height of the filter paper in the funnel.6.When
the liquid passing through the filter paper flows down the neck of
the funnel, check whether the liquid flows down the wall of the cup
and fill it to the bottom of the cup. Otherwise, you should move
the beaker or rotate the funnel to make the tip of the funnel and
the wall of the beaker stick firmly. You can make the liquid flow
down the wall of the cup. Packaging & Shipping Safety
package for all products from BKMAM factorySterile package on
strile urine cup: strong and durable zip lock bag suitable for EO
sterilization process and protect the centrifuge tubes Most urine
cups model are in stock and we have large daily
production capacity.Sample order or small trial order will be
deliver within 48 hours by express like DHL, Fedex, UPS
or TNT to you.Production l ead time for
customized order and bulk order is about 2
weeks, and then the products will be send to you by air or by sea
as to your requirements. Certificate & customer
reviewBKMAM have the professional QC team with advance technology
and high quality standard to confirm all products produced in our
factory are competitive and most welcomed lab consumables. Produced
in 100,000 level Clean Work Shop, BKMAM sterile plastic
cryogenic tube is under extremely strict quality control
and qualified with CNAS Sterile Certificate, ISO9001, CE
certificate and are FDA approvedCompany ProfileBKMAM is an
professional lab and medical consumable supplier located in Hunan,
China. Modernized workshop and warehouse covers 260,000 square
meter, 100,000 level purification workshop , high technology eo
sterile machine, injection molding machine, plastic blister machine
and packing machine are all available here. Exhibition
Show FAQ1. Do you provide sample? Yes, sample available
here and sample charge free. Please leave your delivery
address and contact information here for sample delivery.2.Do you
provide OEM service? Yes, OEM order is welcome. 3. What
is your MOQ?Most of our products are stock available, so MOQ 1
piece for stock products. And for non stock products, please
confirm with us on the MOQ for production.4. What is product
lead time?For stock available products,
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