Free Shipping Included! 24 cm Lab Filter Paper, Standard Qualitative Grade 4 - ZENPORE Fast Flow (100 Discs - 240 mm) by ZENpore at Water Softener Guy. MPN: ST004-240. Hurry! Limited time offer. Offer valid only while supplies last. GRADE 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 4, this very fast laboratory filter paper is used for coarse 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.APPLICATIONSscience : Routine clean-up of insoluble liquids such as biological fluids or organic extracts in labsfood : Determination Sodium Chloride in foodstuffswine : Filtration of mustsmetalurgy :
Product Description & Reviews
GRADE 4 STANDARD Qualitative Filter Paper Equivalent to Whatman grade 4, this very fast laboratory filter paper is used for coarse 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.APPLICATIONSscience : Routine clean-up of insoluble liquids such as biological fluids or organic extracts in labsfood : Determination Sodium Chloride in foodstuffswine : Filtration of mustsmetalurgy : Determination of silicon impurities in pig iron and steelenvironment : Fast flowing air and exhausts monitoring when the collection of fine particles is not critical.COARSE RETENTIONRetains coarse particles and gelatinous precipitates like:Metal hydroxides (Al, Cr, Fe, Mg) , Be OxideInsoluble iron and ore, precipitated SilicatesCulture media, and colloidal sedimentsSPECSpaper : pure cotton celluloseflow : fastretention : 20~25 μm (coarse)speed : 15~20 s (10ml DIN 53137)size : ⌀ 240 mmthickness : 140 μmweight : 86 g/m²ash : 0.1%qty : 100 discsPLAIN-DISCSThose Flat Discs are suitable for gravity and Buchner low suction vacuum filtration.The same affordable filters are also available funnel-ready as ST004-240q (folding) or ST004-240v (pleating).EQUIVALENCE & SIZESee the cross-reference table and size diagrams in the photos to choose the appropriate reference and diameter of your circles.
Features & Highlights
- GRADE 4 : 24cm - Equivalent to Whatman qualitative grade 4, standard lab filter paper (240mm)
- FAST PRE-FILTER - Quickly clean-up biological samples and organic extracts, routine clarification
- WINE MAKING - Filtration of musts
- HIGH AIR FLOW COLLECTION - Collect large particulate in fast moving air or fumes
- COARSE RETENTION / FAST FLOW - Retains coarse and gelatinous precipitates (20~25 micron)
Qualitative Filter Paper
9.65 x 0.79 x 9.65 inches
9.65 x 0.79 x 9.65 inches
Have questions about this item (ST004-240), or would like to inquire about a custom or bulk order?
If you have any questions about this product by ZENpore, contact us by completing and submitting the form below. If you are looking for a specif part number, please include it with your message.
This Whatman 12.5cm, grade 5, cellulose filter paper is used in qualitative analytical techniques to determine and identify materials. It has the maximum degree of fine particle filtration (2.5µm) in the qualitative range. It is capable of retaining...
mpn: 1442-110, ean: 5057205008381,
A world standard for critical gravimetric analysis with the finest particle retention of all Whatman cellulose filter papers. Typical analytical precipitates include barium sulphate, metastannic acid and finely precipitated calcium carbonate. Retenti...
mpn: PP10613, ean: 0735090912093,
The Pitco PP10613 Heavy Duty Filter Paper, 18.5''x20.5'' is a genuine OEM (original equipment manufacturer) replacement part. Pitco has been producing industry-leading frying equipment with a track record of excellence. Use genuine OEM parts for safe...
Purus 11 x 17 Cleanroom Paper Heavy 22 lb. bond lasts! Latex-free cleanroom paper with polyethylene coating is suitable for daily, repeated use in class 10 to 1000 cleanrooms.Strong. Heavy 22 lb. cleanroom paper, stands up to daily, repeat use.. Smoo...