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
415413
Idrossido di sodio
50% in H2O
About This Item
Prodotti consigliati
agenzia
suitable for DIN 38407-42
suitable for EPA 533
suitable for EPA 8327
suitable for EPA OTM-45
suitable for SM 4500 - NH3
Livello qualitativo
Tensione di vapore
3 mmHg ( 37 °C)
Stato
liquid (viscous)
Concentrazione
48-52% (by HCl, titration)
50% in H2O
tecniche
HPLC: suitable
pH
14
Densità
1.515 g/mL at 25 °C
applicazioni
PFAS testing
Temperatura di conservazione
room temp
Stringa SMILE
[OH-].[Na+]
InChI
1S/Na.H2O/h;1H2/q+1;/p-1
HEMHJVSKTPXQMS-UHFFFAOYSA-M
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Categorie correlate
Descrizione generale
Applicazioni
- As a dedoping reagent in the synthesis of graphene/polyaniline hybrid material.[2]
- As a solvent in the weight loss study of aluminum by corrosion.4
- Alkaline reagent test for tannins & phenolic compounds.[3]
- Synthesis of single crystalline zinc stannate (Zn2SnO4 and ZnSnO3) nanoparticles.[4]
- Estimation of protein content and α-cellulose content in grain by-products.[5]
Avvertenze
Danger
Indicazioni di pericolo
Classi di pericolo
Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A
Codice della classe di stoccaggio
8B - Non-combustible corrosive hazardous materials
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
Not applicable
Punto d’infiammabilità (°C)
Not applicable
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Contenuto correlato
This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
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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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