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Absorbents & Adsorbents

Adsorbents and absorbents are essential for managing substances in liquids and gases. Adsorbents, like activated carbon used in air and water purification, attract and hold molecules on their surface, while absorbents, such as soda lime, draw substances into their internal structure to soak up gases or liquids. Both types are crucial in various processes. They ensure purity and integrity of experimental outcomes, purify substances, remove impurities, and preserve solvent and reagent quality, ultimately enhancing the accuracy and reliability of analytical results.

Section Overview


powder (27)

solid (15)

granular (11)

beads (6)

fused (2)

rod (2)

greener (9)

ion chromatography (6)

titration (2)

AAS (1)

gas chromatography (GC) (1)

solid phase extraction (SPE) (1)
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Aluminum oxide
199443

Aluminum oxide

standard grade, Brockmann I, activated, basic

Aluminum oxide
199974

Aluminum oxide

activated, Brockmann I, standard grade, neutral

Celite<SUP>®</SUP> 545
22140

Celite® 545

filter aid, treated with sodium carbonate, flux calcined

Silica gel with indicator (orange gel),
1.01969

Silica gel with indicator (orange gel),

granulate ~ 1 - 3 mm

Diatomaceous earth
D3877

Diatomaceous earth

powder, suitable for most filtrations

Filter agent
419931

Filter agent

Celite® 545

Celpure<SUP>®</SUP> P300
525243

Celpure® P300

meets USP/NF testing specifications

Calcium chloride
1.02378

Calcium chloride

anhydrous granules Reag. Ph Eur

Aluminum oxide
199966

Aluminum oxide

Brockmann I, standard grade, activated, acidic

Aluminum oxide
229423

Aluminum oxide

powder, 99.99% trace metals basis

Florisil<SUP>®</SUP>
220736

Florisil®

100-200 mesh

Molecular sieve 0.3 nm
1.05704

Molecular sieve

0.3 nm, beads ~ 2 mm / ~ 10 mesh

Silica gel
1.07735

Silica gel

beads, desiccant ~ 2 - 5 mm

Celite<SUP>®</SUP> S
06858

Celite® S

filter aid, dried, untreated

Hyflo<SUP>®</SUP> Super Cel<SUP>®</SUP>
56678

Hyflo® Super Cel®

filter aid, flux calcined, treated with sodium carbonate

Sea sand
1.07711

Sea sand

extra pure

Chemizorb<SUP>®</SUP> Granules
1.01568

Chemizorb® Granules

Absorbent for spilled liquids

Chemizorb<SUP>®</SUP> Powder
1.02051

Chemizorb® Powder

Absorbent for spilled liquids

SICAPENT<SUP>®</SUP> with indicator
1.00543

SICAPENT® with indicator

(phosphorus pentoxide drying agent for desiccators) on inert carrier material

Sea sand
1.07712

Sea sand

purified by acid and calcined for analysis

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Activated Carbon Adsorbent

Activated charcoal, as an adsorbent, is widely used for the adsorption, decolorization, and purification of gases and liquids, as well as a catalyst carrier, owing to its large internal surface area. It is suitable for various applications, with powdered activated carbon (PAC) offering easier loading, and granulated activated carbon (GAC) being well-suited for low-resistance processes involving gases. This versatile substance, featuring a porous, sponge-like structure with excellent adsorption capacity, is essential in the chemical, food and beverage, and environmental protection industries. Sourced from natural materials like pine wood or mineral coal, activated charcoal is a sustainable choice for diverse applications.

Soda lime CO2 Absorber:

Soda lime effectively absorbs CO2 from air and gases, offering a large internal absorption surface area and a capacity of at least 25%. It is suitable for both small and large absorption systems in laboratories and technical facilities. Additionally, some products contain soda lime with indicator that changes color during CO2 absorption, ensuring efficient monitoring without releasing CO2 back into the environment.

Water Absorption tubes:

Water absorbing tubes are employed to keep reagents or solvents dry, particularly during processes like Karl Fischer titration or when working with solvents from withdrawal systems. These tubes also feature an indicator in the filling to display the degree of depletion.


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