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60108

Sigma-Aldrich

Potassium carbonate

BioUltra, anhydrous, ≥99.0% (T)

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About This Item

Formula condensata:
K2CO3
Numero CAS:
584-08-7
Peso molecolare:
138.21
Beilstein:
4267587
Numero CE:
209-529-3
Numero MDL:
MFCD00011382
Codice UNSPSC:
12161700
ID PubChem:
57651721
NACRES:
NA.21

Nome Commerciale

BioUltra

Saggio

≥99.0% (T)

Forma fisica

powder or crystals

Impurezze

insoluble matter, passes filter test
≤0.001% total nitrogen (N)

pH

11.0-13.0 (25 °C, 1 M in H2O)

Punto di fusione

891 °C (lit.)

Solubilità

H2O: 1 M at 20 °C, clear, colorless

Anioni in tracce

chloride (Cl-): ≤30 mg/kg
phosphate (PO43-): ≤20 mg/kg
silicate (as SiO2): ≤30 mg/kg
sulfate (SO42-): ≤30 mg/kg

Cationi in tracce

Al: ≤5 mg/kg
As: ≤0.1 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Na: ≤200 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Zn: ≤5 mg/kg

λ

1 M in H2O

Assorbanza UV

λ: 260 nm Amax: 0.03
λ: 280 nm Amax: 0.02

Stringa SMILE

[K+].[K+].[O-]C([O-])=O

InChI

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

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Categorie correlate

Applicazioni

Potassium carbonate is used to develop and study methods of nucleic acid, DNA, amino acid and peptide intercalation into structures such as into Mg-Al layered double hydroxide (hydrotalcite) capsules.

Pittogrammi

Exclamation mark
GHS07

Avvertenze

Warning

Indicazioni di pericolo

H315,H319,H335

Classi di pericolo

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Organi bersaglio

Respiratory system

Codice della classe di stoccaggio

13 - Non Combustible Solids

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

dust mask type N95 (US), Eyeshields, Gloves

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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K Y Foo et al.
Bioresource technology, 104, 679-686 (2011-11-22)
This work explores the feasibility of orange peel, a citrus processing biomass as an alternative precursor for preparation of activated carbon (OPAC) via microwave assisted K(2)CO(3) activation. The operational parameters, chemical impregnation ratio, microwave power and irradiation time on the
Carlos Arroniz et al.
Organic letters, 15(4), 910-913 (2013-02-05)
ortho-Arylation of ortho-substituted benzoic acids is a challenging process due to the tendency of the reaction products toward Pd-catalyzed protodecarboxylation. A simple method for preventing decarboxylation in sterically hindered benzoic acids is reported. The method described represents a reliable and
K Y Foo et al.
Bioresource technology, 102(20), 9794-9799 (2011-08-31)
Sunflower seed oil residue, a by-product of sunflower seed oil refining, was utilized as a feedstock for preparation of activated carbon (SSHAC) via microwave induced K(2)CO(3) chemical activation. SSHAC was characterized by Fourier transform infrared spectroscopy, nitrogen adsorption-desorption and elemental
K Y Foo et al.
Bioresource technology, 111, 425-432 (2012-03-06)
Wood sawdust was converted into a high-quality activated carbon (WSAC) via microwave-induced K(2)CO(3) activation. The operational variables including chemical impregnation ratio, microwave power and irradiation time on the carbon yield and adsorption capability were identified. The surface physical characteristics of
Je-Lueng Shie et al.
Bioresource technology, 102(23), 11011-11017 (2011-10-07)
This study examined the effects of additives of potassium carbonate (K2CO3) and zinc oxide (ZnO) on the pyrolysis of waste sunflower-oil cake using a 60 kW pilot-scale plasma torch reactor. The major gaseous products were CO and H2. The productions
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