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
Wichtige Dokumente
P4006
Wolframatophosphorsäure Hydrat
reagent grade
Synonym(e):
Wolframatophosphorsäure
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About This Item
Empfohlene Produkte
Qualität
reagent grade
Qualitätsniveau
Form
powder
mp (Schmelzpunkt)
~95 °C (lit.)
SMILES String
O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O
InChI
1S/H3O4P.H2O.36O.12W/c1-5(2,3)4;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;/h(H3,1,2,3,4);1H2;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
InChIKey
AVFBYUADVDVJQL-UHFFFAOYSA-N
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Allgemeine Beschreibung
Anwendung
Es kann für die Herstellung von Folgendem verwendet werden:
Signalwort
Danger
H-Sätze
Gefahreneinstufungen
Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1C
Lagerklassenschlüssel
8A - Combustible corrosive hazardous materials
WGK
WGK 2
Flammpunkt (°F)
Not applicable
Flammpunkt (°C)
Not applicable
Persönliche Schutzausrüstung
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
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Analysenzertifikate (COA)
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Protokolle
Enzymatic Assay of Neuraminidase applies to products that have a specification for neuraminidase content by enzymatic determination.
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
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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Which type of phosphotungstic acid (P4006 or 79690) is recommended for the electron microscopic (TEM) staining of synaptic proteins, as mentioned in Bloom and Aghajanian, J. Ultrastructural Research, 22, 361-375 (1968)?
1 answer-
Product P4006 is labeled as a "Reagent Grade" chemical, while Product 79690 is described as suitable "For Microscopy." Both products have not been tested for general use in histology or electron microscopy. Considering the substantial similarity between the two products, it is expected that both products could be utilized for TEM electron microscopy. If one of the products is on backorder, it is recommended to order the available product.
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