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Key Documents

242268

Sigma-Aldrich

Activated charcoal

greener alternative

DARCO®, 20-40 mesh particle size, granular

Synonym(s):

Charcoal activated

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About This Item

Empirical Formula (Hill Notation):
C
CAS Number:
Molecular Weight:
12.01
EC Number:
MDL number:
UNSPSC Code:
23201100
PubChem Substance ID:
NACRES:
SB.52

vapor pressure

<0.1 mmHg ( 20 °C)

Quality Level

form

granular

autoignition temp.

842 °F

manufacturer/tradename

DARCO®

greener alternative product characteristics

Design for Energy Efficiency
Learn more about the Principles of Green Chemistry.

sustainability

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resistivity

1375 μΩ-cm, 20°C (graphite)

impurities

≤0.4% dust
≤12% moisture content

particle size

20-40 mesh

mp

3550 °C (lit.)

greener alternative category

SMILES string

[C]

InChI

1S/C

InChI key

OKTJSMMVPCPJKN-UHFFFAOYSA-N

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General description

We are committed to bringing you Greener Alternative Products, which adhere to one or more of The 12 Principles of Greener Chemistry. This product has been enhanced for energy efficiency. Click here for more details.

Application

Activated charcoal (DARCO®, 20-40 mesh particle size, granular) can be used in the selective adsorption of phenanthrene with an excellent selectivity of ~74. It can also be used in the adsorption of metals like lead, copper, cobalt, and chromium from aqueous solution.

Other Notes

Acid-washed lignite carbon for general uses.

Legal Information

DARCO is a registered trademark of Cabot Norit Americas, Inc.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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Certificates of Analysis (COA)

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  1. Which document(s) contains shelf-life or expiration date information for a given product?

    If available for a given product, the recommended re-test date or the expiration date can be found on the Certificate of Analysis.

  2. How do I get lot-specific information or a Certificate of Analysis?

    The lot specific COA document can be found by entering the lot number above under the "Documents" section.

  3. How do I find price and availability?

    There are several ways to find pricing and availability for our products. Once you log onto our website, you will find the price and availability displayed on the product detail page. You can contact any of our Customer Sales and Service offices to receive a quote.  USA customers:  1-800-325-3010 or view local office numbers.

  4. What is the Department of Transportation shipping information for this product?

    Transportation information can be found in Section 14 of the product's (M)SDS.To access the shipping information for this material, use the link on the product detail page for the product. 

  5. What is the typical pH of Product 242241, DARCO Acid Washed Activated charcoal?

    The typical pH of a water extract of Product 242241 is 4.5.

  6. What is the purpose of the acid washing performed on Product 242268, DARCO Acid Washed Activated charcoal?

    The acid washing performed on Product 242268 removes minute impurities from the surface of the particles and from the pores.

  7. What is the typical pH of Product 242268, DARCO Acid Washed Activated charcoal?

    The typical pH of a water extract of Product 242268 is 4.6.

  8. What is the typical apparent density of Product 242268, DARCO® Acid Washed Activated charcoal?

    The typical apparent density of Product 242268, DARCO® Acid Washed Activated charcoal, is 0.40 g/mL, or 25 lb/ft3.

  9. What is the typical surface area of Product 242268, DARCO® Acid Washed Activated charcoal?

    The typical surface area of Product 242268, DARCO® Acid Washed Activated charcoal, is 650 m2/g.

  10. What is the typical pore volume of Product 242268, DARCO® Acid Washed Activated charcoal?

    The typical pore volume of Product 242268, DARCO® Acid Washed Activated charcoal, is 0.95 mL/g.

  11. How is the acid wash performed for product 242268, DARCO® Acid Washed Activated Charcoal?

    Product 242268, DARCO® Acid Washed Activated Charcoal, is washed using hydrochloric acid.

  12. My question is not addressed here, how can I contact Technical Service for assistance?

    Ask a Scientist here.

Removal of lead copper chromium and cobalt ions onto granular activated carbon in batch and fixed-bed adsorbers.
Sulaymon AH, et al.
Chemical Engineering Journal, 155(3), 647-653 (2009)
A Verena Maffei et al.
Langmuir : the ACS journal of surfaces and colloids, 22(9), 4225-4229 (2006-04-19)
The adsorption/desorption of N2 at 77 K and the adsorption from aqueous solution at 298 K of four organic probe molecules of different sizes (phenol, 4-nitrophenol, orange II, naphthol green B) were studied for a phthalocyanine network polymer of intrinsic
Selective adsorption of phenanthrene dissolved in surfactant solution using activated carbon
Ahn CK, et al.
Chemosphere, 69(11), 1681-1688 (2007)
C K Ahn et al.
Journal of hazardous materials, 154(1-3), 153-160 (2007-11-17)
The performance of activated carbon in soil washing and subsequent selective adsorption for surfactant recovery from the washed solution was investigated. Sandy loam soil contaminated with phenanthrene at 200 mg kg(-1) was washed with four different nonionic surfactants: Tween 40
Activated carbon for gas separation and storage
Sircar S, et al.
Carbon, 34(1), 1-12 (1996)

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