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214477

Silica gel Inorganic Sorbent

high-purity grade (Davisil Grade 923), 100-200 mesh

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50 g
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$91.90
250 g

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1 kg

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About This Item

CAS Number:
112926-00-8
UNSPSC Code:
12352309
PubChem Substance ID:
24852837
NACRES:
SB.52
EC Number:
231-545-4
MDL number:
MFCD00011232

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Product Name

Silica gel, high-purity grade (Davisil Grade 923), pore size 30 Å, 100-200 mesh

grade

high-purity grade (Davisil Grade 923)

Quality Level

200

form

fine crystals

manufacturer/tradename

Davisil®

technique(s)

LPLC: suitable

surface area

430-530 m2/g

matrix

Silica

matrix active group

silica

particle size

100-200 mesh, 75-150 μm

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Silica gel high-purity grade (Davisil Grade 923), pore size 30 Å, 100-200 mesh

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Silica gel high-purity grade (7734), pore size 60 Å, 70-230 mesh

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391484

Silica gel

Silica gel high-purity grade (7754), pore size 60 Å, 70-230 mesh

Supelco

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Silica gel

Silica gel high-purity grade (Davisil Grade 636), pore size 60 Å, 35-60 mesh particle size

Supelco

236802

Silica gel

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

separation technique

hydrophilic interaction (HILIC)

pore size

0.40 cm3/g pore volume, 30 Å

pore size

~0.8 cm3/g pore volume, 60 Å

pore size

~0.8 cm3/g pore volume, 60 Å

pore size

0.75 cm3/g pore volume, 60 Å

matrix

Silica

matrix

Silica

matrix

Silica

matrix

Silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

matrix active group

silica

particle size

100-200 mesh, 75-150 μm

particle size

63-200 μm, 70-230 mesh

particle size

63-200 μm, 70-230 mesh

particle size

250-500 μm, 35-60 mesh

form

fine crystals

form

powder

form

powder

form

powder

General description

Silica gel is a rigid 3D network of colloidal silica. It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation lresulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density. Silica gel is classified as below:
a. Aquagel - pores are filled with water
b. Xerogel - by the process of evaporation, aqueous phase in the pores are removed
c. Aerogel - solvent removed by supercritical extraction

Application

Silica gel was used to compare MCM-41 type mesoporous adsorbents.[1]

Other Notes

Recommended Applications
Grade 923 meets ASTM D1319 specifications for hydrocarbon analysis

Legal Information

Davisil is a registered trademark of W.R. Grace & Co.-Conn.

flash_point_f

Not applicable

flash_point_c

Not applicable

Storage Class

13 - Non Combustible Solids

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Certificates of Analysis (COA)

Lot/Batch Number
BCCN8896
BCCN6136
BCCN4135
BCCN4136
BCCN1285

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Megan P Caputo et al.
Brain, behavior, and immunity, 81, 455-469 (2019-07-05)
Neonatal brain development can be disrupted by infection that results in microglial cell activation and neuroinflammation. Studies indicate that polyunsaturated fatty acids (PUFAs) and their metabolites can resolve inflammation. It is not known if dietary PUFA increases lipid metabolites in
T Martin et al.
Chemical communications (Cambridge, England), (1)(1), 24-25 (2002-07-18)
Texture-related features of water intrusion in hydrophobised MCM-41 silicas render these materials especially suitable for energy dissipation in mechanical dampers.
A simple method for production of pure silica from rice hull ash
Kalapathy, U., A. Proctor, and J. Shultz.
Bioresource Technology, 73, 257-262 (2000)
Silica gel supported zirconocene dichloride/methylalumoxane catalysts for ethylene polymerization: Effects of heterogenation on activity, polymer microstructure and product morphology.
Janiak, Christoph, and Bernhard Rieger.
Angew. Makromol. Chem., 215, 47-57 (1994)

Related Content

Liquid Chromatography at Low Pressures

Low pressure liquid chromatography (LPLC) operates at low pressures, using a pump to drive the mobile phase onto the column.

Cromatografía líquida a bajas presiones

La cromatografía líquida de baja presión (LPLC) funciona a bajas presiones, utilizando una bomba para impulsar la fase móvil hacia la columna.

Global Trade Item Number

SKUGTIN
214477-1KG04061838507648
214477-50G04061838507907
214477-250G04061838507655

Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/418/501/product-dating-information-06-25-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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