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/418/501/product-dating-information-06-25-mk.pdf
Fortfahren mit
95410
Wolfram(VI)-oxid
powder, puriss., 99.9%
Synonym(e):
Wolframsäureanhydrid
Größe auswählen
| Ihnen/SKU | Verfügbarkeit | Preis |
|---|---|---|
100 g | Warenkorb auf Verfügbarkeit prüfen | € 101,00 |
500 g | Warenkorb auf Verfügbarkeit prüfen | € 359,00 |
Über diesen Artikel
grade
puriss.
Quality Segment
assay
99.9%
form
powder
composition
O₃W
reaction suitability
core: tungsten
density
7.16 g/mL at 25 °C (lit.)
SMILES string
O=[W](=O)=O
InChI
1S/3O.W
InChI key
ZNOKGRXACCSDPY-UHFFFAOYSA-N
General description
Application
Disclaimer
1 of 1
Dieser Artikel | |||
|---|---|---|---|
| assay 99.9% | assay 99.995% trace metals basis | assay ≥99% trace metals basis | assay - |
| form powder | form powder | form powder | form nanopowder |
| density 7.16 g/mL at 25 °C (lit.) | density 7.16 g/mL at 25 °C (lit.) | density 7.16 g/mL at 25 °C (lit.) | density 7.16 g/mL at 25 °C (lit.) |
| grade puriss. | grade - | grade - | grade - |
| reaction suitability core: tungsten | reaction suitability core: tungsten | reaction suitability core: tungsten | reaction suitability - |
| Quality Level 200 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
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Lagerklasse
13 - Non Combustible Solids
wgk
nwg
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
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How can I determine the shelf life / expiration / retest date of this product?
1 answer-
Helpful?
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Welche Größe haben die Partikel des Wolframtrioxidpulvers (Produktnr. 95410)?
1 answer-
This product has a particle size range of 1.2 - 1.8 microns.
Helpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
1 answer-
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
Helpful?
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WO3 합성에 쓰인 precursor와 합성 방법을 알려주실 수 있나요?
1 answer-
This product is categorized as a Quality Level 200. The methods of preparation are proprietary for items with Quality Levels under 400. There may be additional information found in the Peer Reviewed Papers section of the product page:
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