This product has not been tested for enzyme immobilization. The lack of testing means that the suitability for enzyme immobilization is uncertain. It is advisable to conduct preliminary tests evaluate the performance before scalable use.
推薦產品
形狀
powder
表面積
~1000 m2/g , BET
單元細胞大小
4.5-4.8 nm
孔徑
0.98 cm3/g pore volume
2.1-2.7 nm pore size
bp
2230 °C (lit.)
mp
>1600 °C (lit.)
體積密度
0.34 g/mL
應用
battery manufacturing
SMILES 字串
O=[Si]=O
InChI
1S/O2Si/c1-3-2
InChI 密鑰
VYPSYNLAJGMNEJ-UHFFFAOYSA-N
尋找類似的產品？ 前往 產品比較指南
儲存類別代碼
13 - Non Combustible Solids
水污染物質分類（WGK）
nwg
閃點（°F）
Not applicable
閃點（°C）
Not applicable
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文章
Mesoporous Materials include a range of high surface area porous silicates with applications in gas adsorption, drug delivery, diagnostics and catalysis.
介孔材料包括一系列高表面積的多孔矽酸鹽，可應用於氣體吸附、藥物輸送、診斷及催化等領域。
Mesoporous silica used in wastewater remediation, air cleaning, catalysis, bio-catalysis, and drug delivery.
介孔矽石用於廢水處理、空氣清潔、催化、生物催化和藥物傳輸。
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I will functionalize this product with (3-Aminopropyl)triethoxysilane (APTES) to covalently bind the enzyme. I will also bind it by adsorption without using APTES. Is this product suitable for enzyme immobilization?
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How can I determine the shelf life / expiration / retest date of this product?
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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/449/386/product-dating-information-mk.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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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Is CTAB expected to be contained in product 643645?
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No, this material is not expected to contain CTAB as it is calcined at 550°C for 24 hours to remove the CTAB.
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What is the Department of Transportation shipping information for this product?
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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.
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Is the surface density of silanol groups of Product 643645, Silica, mesostructured MCM-41 type (hexagonal), known?
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For Product 643645, Silica, mesostructured MCM-41 type (hexagonal), between 10 and 15 % of the silicon centers are hydroxylated.
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How does the storage temperature relate to shipping conditions?
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The storage conditions that a Sigma-Aldrich catalog and label recommend for products are deliberately conservative. For many products, long-term storage at low temperatures will increase the time during which they are expected to remain in specification and therefore are labeled accordingly. Where short-term storage, shipping time frame, or exposure to conditions other than those recommended for long-term storage will not affect product quality, Sigma-Aldrich will ship at ambient temperature. The products sensitive to short-term exposure to conditions other than their recommended long-term storage are shipped on wet or dry ice. Ambient temperature shipping helps to control shipping costs for our customers. At any time, our customers can request wet- or dry-ice shipment, but the special handling is at customer expense if our product history indicates that the product is stable for regular shipment.
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