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-Kieselgel 60G F₂₅₄ 25 Glasplatten, 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
Empfohlene Produkte
Materialien
glass support (silica gel coated)
silica gel 60 matrix
Qualitätsniveau
Leistungsmerkmale
binder Gypsum
Gypsum
fluorescent indicator
Verpackung
pkg of 25 plates
Methode(n)
thin layer chromatography (TLC): suitable
Schichtdicke
250 μm
Platte L × B
20 cm × 20 cm
Partikelgröße
10-12 μm
Porengröße
60 Å medium pore diameter
Nachweisverfahren
fluorometric (flourescent indicator F254)
Lagertemp.
2-30°C
Allgemeine Beschreibung
Hinweis zur Analyse
Porenvolumen (N₂-Isotherme): 0,74–0,84 ml/g
d 50 (Laserbeugung, Kornanalyse): 9,7–11,7 µm
hRf-Werte
- Bleu VIF Organol, Farbstofftest, lipophil: 11–25
– Ceresschwarz G, Farbstofftest, lipophil: 34–48
– Ceresviolett BRN, Farbstofftest, lipophil: 52–67
Trennzahl (Farbstofftest, lipophil): ≥ 10,5
Typischer Wert gemessen an einer konditionierten Platte
Eluent A: Toluol (45 % rel. Feuchte)
DC-Test (Ph.Eur. Farbstofftest): entspricht
Ähnliches Produkt
Lagerklassenschlüssel
10-13 - German Storage Class 10 to 13
Analysenzertifikate (COA)
Suchen Sie nach Analysenzertifikate (COA), indem Sie die Lot-/Chargennummer des Produkts eingeben. Lot- und Chargennummern sind auf dem Produktetikett hinter den Wörtern ‘Lot’ oder ‘Batch’ (Lot oder Charge) zu finden.
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Artikel
Thin Layer Chromatography Troubleshooting: This article details TLC tips and tricks that one must consider while performing different steps of the technique.
TLC plates, with silica gel, gypsum as binder, International Pharmacopoeia compliant, for identification of Atenolol and Chlorthalidone in tablets.
Protokolle
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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