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.pdf
60778
Kieselgel auf DC-Alufolien
silica gel 60 matrix, with fluorescent indicator 254 nm
Synonym(e):
DC-Karten Kieselgel
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About This Item
Empfohlene Produkte
Materialien
aluminum support
silica gel 60 matrix
Qualitätsniveau
Qualität
with fluorescent indicator 254 nm
Leistungsmerkmale
binder Organic Polymer
fluorescent indicator
Verpackung
pkg of 25 ea
Hersteller/Markenname
same as 1.05554 (manufactured at Merck KGaA, Darmstadt, Germany)
Methode(n)
thin layer chromatography (TLC): suitable
L × B
20 cm × 20 cm
Schichtdicke
200 μm
Partikelgröße
8.0-12.0 μm
Porengröße
60 Å medium pore diameter
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Allgemeine Beschreibung
Silica gel is a rigid 3D network of colloidal silica.[1] It is exclusively used as a support material for the active titanium(III) centers in Ziegler-Natta catalysts. Silica gel allows a controlled fragmentation resulting in the formation of uniform polymer particles with narrow particle size distribution and high bulk density.[2] Silica gel is widely used as layer material for TLC. Plaster of Paris is generally used as binding agent to hold silica gel firmly to the TLC plates. Silica gel is applied as sorbent to the aluminium foils.[3]
Anwendung
auch häufig zusammen mit diesem Produkt gekauft
Ähnliches Produkt
Lagerklassenschlüssel
11 - Combustible Solids
WGK
WGK 3
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
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How can I determine the shelf life / expiration / retest date of this product?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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