Calcium sulfate, commonly known as gypsum, is not used as a binder in this product. These TLC plates use an organic polymer instead.
1.05554
Folhas de alumínio de TLC, sílica-gel de 60 F₂₅₄
pkg of 25 sheets, sheet L × W 20 cm × 20 cm, aluminum support
Sinônimo(s):
Folhas de alumínio de cromatografia em camada fina
About This Item
Produtos recomendados
Materiais
aluminum support
silica gel 60 matrix
Nível de qualidade
Características
binder Organic Polymer
fluorescent indicator
embalagem
pkg of 25 sheets
técnica(s)
thin layer chromatography (TLC): suitable
espessura da camada
200 μm
placa C × L
20 cm × 20 cm
bainha C × L
20 cm × 20 cm
tamanho de partícula
10-12 μm
tamanho de poro
60 Å medium pore diameter
temperatura de armazenamento
2-30°C
Categorias relacionadas
Descrição geral
Aplicação
Ligação
Nota de análise
Volume de poro (N₂-isoterma): 0,74-0,84 ml/g
d 50 (difração a laser, distribuição de tamanho): 9,7-11,7 µm
Espessura da camada: 175-225 µm
Desvio de espessura de camada por placa: ≤ 30 µm
A) Teste de cor
Bleu VIF Organol: 11-25
Ceres preto: 34-48
Ceres violeta BRN: 52-67
Número de separação: ≥ 10,5
B) Teste de esteroide
Hidrocortisona: 25-37
Reichstein S: 37-49
Metiltestosterona: 42-54
Valor típico determinado em uma folha condicionada
Eluenta A) Tolueno (45% de umidade relativa)
Eluente B) Acetato de etila/Tolueno (95/5 v/v; 20% de umidade relativa)
produto relacionado
Código de classe de armazenamento
11 - Combustible Solids
Certificados de análise (COA)
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Is there any % of calcium sulfate on this TLC silica plates?
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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?
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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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In this tlc, is the charge of the stationary phase (-) or (+)?
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The stationary phase in these plates is polar, which is typically neutral in charge, making them ideal for normal phase thin-layer chromatography applications.
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What does the number 60 mean?
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The number "60" in silica gel 60 refers to the 60 Å average pore diameter in the stationary phase.
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