$34 DONLAB CKH-3030 Glass 30mm O.D. 300mm Length Chromatography Colu Industrial Scientific Lab Scientific Products Lab Instruments Equipment Chromatography,30mm,O.D.,Colu,Glass,Length,$34,www.efitness.md,/pyopericarditis861865.html,CKH-3030,300mm,DONLAB,Industrial Scientific , Lab Scientific Products , Lab Instruments Equipment Chromatography,30mm,O.D.,Colu,Glass,Length,$34,www.efitness.md,/pyopericarditis861865.html,CKH-3030,300mm,DONLAB,Industrial Scientific , Lab Scientific Products , Lab Instruments Equipment Now on sale DONLAB CKH-3030 Glass 30mm O.D. Chromatography Length Colu 300mm Now on sale DONLAB CKH-3030 Glass 30mm O.D. Chromatography Length Colu 300mm $34 DONLAB CKH-3030 Glass 30mm O.D. 300mm Length Chromatography Colu Industrial Scientific Lab Scientific Products Lab Instruments Equipment

Now on sale DONLAB CKH-3030 Glass 30mm O.D. Chromatography Length Online limited product Colu 300mm

DONLAB CKH-3030 Glass 30mm O.D. 300mm Length Chromatography Colu

$34

DONLAB CKH-3030 Glass 30mm O.D. 300mm Length Chromatography Colu

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Product description

Size:G3,30mm*300mm

The products are made of Borosicate 3.3 glass.
According to its pore size, the sand core filter plate can be divided into six specifications of G1 - G5.
National Standard     Aperture     Use
        G1                   50-70um     filter out coarse precipitate and gelatinous precipitate
           G2               30-50um     filter out coarse precipitation and gas washing
           G3               16-30um     filter out fine precipitate, filter mercury
           G4                 4 - 7um     filter out fine or extremely fine precipitates
           G5                 2 - 4um     filter out larger bacilli and yeast

Product All Model List
O.D. of Column: 15mm,20mm,25mm,30mm,40mm,50mm,60mm,70mm,80mm
Effective Column Length: 200mm,300mm,400mm,500mmm

*This product can be customized with other pore size sand cores and other types of outer diameter and length chromatography columns. If you need to customize other types of chromatography columns, please communicate with us through Amazon message and we will customize the products you need.

DONLAB CKH-3030 Glass 30mm O.D. 300mm Length Chromatography Colu

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Federal regulators have banned swimming with Hawaii's spinner dolphins to protect the nocturnal animals from people. Swimming with dolphins is a popular tourist activity in Hawaii. NOAA Fisheries via AP hide caption

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NOAA Fisheries via AP

Swimming With Hawaii's Spinner Dolphins Is A Popular Tourist Activity. Now It's Banned

Federal regulators moved to protect the animals from people seeking close encounters with the species. The new rule applies to boats, canoes, stand-up paddleboards, drones or other objects.

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Peter Foley/Bloomberg via Getty Images

Despite The Pandemic, Why Some Retailers Are Going All In On Malls

With the pandemic shutting down in-person life, thousands of retail stores closed up shop. But, some retailers see an opportunity for growth by moving into American malls. Let's go to the mall.

All In On Malls

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Colombian singer Camilo is up for album of the year, song the year and record of the year across 10 nominations for the Latin Grammys. Xavi Torrent/Redferns/Getty Images hide caption

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Xavi Torrent/Redferns/Getty Images

The Latin Grammys Kick Off A New Era With Nominations That Favor A Wider Range Of Music

Colombian singer Camilo was the stand-out artist this year, garnering 10 nominations for headlining awards like album and song of the year. But reggaeton — despite its artistic and commercial success worldwide — had a poor showing.

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Secretary of Commerce Gina Raimondo, pictured in June, is outlining her economic agenda. One goal is to increase U.S. semiconductor manufacturing. Drew Angerer/Getty Images hide caption

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Drew Angerer/Getty Images

Commerce Secretary Gina Raimondo Calls For The U.S. To Counter China's Economic Power

The Chinese government is blocking its airlines from buying Boeing airplanes, Raimondo said. She criticized Beijing for its trade barriers and is pushing for more investment in U.S. manufacturing.

Wild boars eat garbage near trash bins in Rome on Sept. 24. They have become a daily sight, as families of wild boars trot down the city streets, sticking their snouts in the garbage looking for food. Gregorio Borgia/AP hide caption

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Gregorio Borgia/AP

Packs Of Ravenous Wild Boars Are Ransacking Rome

Entire families of wild boars have become a daily sight in Rome, as groups of 10-30 beasts emerge from nearby parks to trot down city streets in search of food in Rome's overflowing trash bins.

This photo shows Margie and Don Varnadoe attending a December 2020 Christmas party. The husband and wife from St. Simons Island, Ga., were among three people killed when an Amtrak train derailed in Montana on Sept. 25. AP hide caption

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AP

They Were Marking Their 50th Anniversary With A Vacation. Then The Train They Were Riding Derailed

"If you want an example of how to treat people, Don and Margie [Varnadoe] were them," his boss says. In addition to the couple, a 28-year-old Illinois man died when the train crashed in Montana.

Soul Train made its national television premiere 50 years ago, in October 1971. Blake Cale for NPR hide caption

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Blake Cale for NPR

It's Been a Minute with Sam Sanders

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There Was Nothing Like 'Soul Train' On TV. There's Never Been Anything Like It Since

After Soul Train was first nationally syndicated in October 1971, it became an iconic Black music and dance show — a party every weekend that anyone could join from their living room.

The COVID-19 vaccine from Johnson & Johnson was a one-shot regime. But data shows that people who got the shot may have waning immunity, and some doctors say a second shot would be a good idea. Stephen Zenner/Getty Images hide caption

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Stephen Zenner/Getty Images

For People Who Got The J&J Vaccine, Some Doctors Are Advising Boosters ASAP

Boosters are available for higher-risk people who got the Pfizer vaccine. But what about people who got the one-shot Johnson & Johnson? Some doctors say they need an extra shot even more urgently.

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