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
1.00390
TLC Silica gel 60G F₂₅₄ 25 Glass plates 20 x 20 cm
glass support (silica gel coated), plate L × W 20 cm × 20 cm, suitable for thin layer chromatography (TLC), pkg of 25 plates, fluorometric
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About This Item
Prodotti consigliati
Materiali
glass support (silica gel coated)
silica gel 60 matrix
Livello qualitativo
Caratteristiche
binder Gypsum
Gypsum
fluorescent indicator
Confezionamento
pkg of 25 plates
tecniche
thin layer chromatography (TLC): suitable
Spessore strato
250 μm
Lungh. × largh. lastra
20 cm × 20 cm
Dimensione particelle
10-12 μm
Dimensione pori
60 Å medium pore diameter
Metodo di rivelazione
fluorometric (flourescent indicator F254)
Temperatura di conservazione
2-30°C
Categorie correlate
Descrizione generale
Risultati analitici
Pore volume (N₂-isotherm):0.74 - 0.84 ml/g
d 50 (laser diffraction, size distribution): 9.7 - 11.7 µm
hRf-values
- bleu vif organol, colour test, lipophile: 11 - 25
- Ceres Black G, colour test, lipophile: 34 - 48
- ceres Violet brn, colour test, lipophile: 52 - 67
separation number (colour test, lipophile): ≥ 10.5
Typical value determined on a conditioned plate
Eluent A) Toluene (45% rel. humidity)
TLC-Test (Ph.Eur. colour test): passes test
Prodotti correlati
Codice della classe di stoccaggio
10-13 - German Storage Class 10 to 13
Certificati d'analisi (COA)
Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.
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TLC plates, with silica gel, gypsum as binder, International Pharmacopoeia compliant, for identification of Atenolol and Chlorthalidone in tablets.
Protocolli
Silica gel G 254 plates are suitable for analysis of Dextromethorphan following the European pharmacopeia monograph.
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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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