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791768

Sigma-Aldrich

Carbonato di sodio

anhydrous, free-flowing, Redi-Dri, ACS reagent, ≥99.5%

Sinonimo/i:

Cenere di soda, Sale disodico dell’acido carbonico, Soda calcinata

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About This Item

Formula condensata:
Na2CO3
Numero CAS:
Peso molecolare:
105.99
Beilstein:
4154566
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
NACRES:
NA.21

Grado

ACS reagent
anhydrous

Livello qualitativo

agenzia

suitable for EPA 300

Nome Commerciale

Redi-Dri

Saggio

≥99.5%

Forma fisica

powder

Qualità

free-flowing

Impurezze

≤0.005% silica
≤0.01% insolubles

Perdita

≤1.0% loss on heating

pH

12 (25 °C, 106 g/L)

Punto di fusione

851 °C (lit.)

Anioni in tracce

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
sulfur compounds (as SO42-): ≤0.003%

Cationi in tracce

Ca: ≤0.03%
Fe: ≤5 ppm
K: ≤0.005%
Mg: ≤0.005%
heavy metals: ≤5 ppm (by ICP-OES)

Stringa SMILE

O=C(O[Na])O[Na]

InChI

1S/CH2O3.2Na/c2-1(3)4;;/h(H2,2,3,4);;/q;2*+1/p-2
CDBYLPFSWZWCQE-UHFFFAOYSA-L

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Categorie correlate

Applicazioni


  • Denitrification mechanism of NaOH in the presence of carbon.: Explores the interaction between sodium carbonate and other chemicals in environmental applications, particularly focusing on denitrification processes important for water treatment (Li et al., 2005).

  • Evaluation of capillary electrophoresis for determining the concentration of dissolved silica in geothermal brines.: Discusses the role of sodium carbonate in modifying sample pH for capillary electrophoresis, essential for accurate measurement of silica in complex geothermal fluids (Santoyo et al., 2005).

Azioni biochim/fisiol

Componente tampone, può essere usato per rimuovere le proteine di membrana periferiche.

Note legali

Redi-Dri is a trademark of Sigma-Aldrich Co. LLC

Pittogrammi

Exclamation mark

Avvertenze

Warning

Indicazioni di pericolo

Classi di pericolo

Eye Irrit. 2

Codice della classe di stoccaggio

11 - Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


Certificati d'analisi (COA)

Cerca il Certificati d'analisi (COA) digitando il numero di lotto/batch corrispondente. I numeri di lotto o di batch sono stampati sull'etichetta dei prodotti dopo la parola ‘Lotto’ o ‘Batch’.

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