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Key Documents

590681

Sigma-Aldrich

Potassium carbonate

anhydrous, powder, 99.99% trace metals basis

Sinônimo(s):

Carbonate of potash, Dipotassium carbonate

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About This Item

Fórmula linear:
K2CO3
Número CAS:
Peso molecular:
138.21
Beilstein:
4267587
Número CE:
Número MDL:
Código UNSPSC:
12352302
ID de substância PubChem:
NACRES:
NA.23

grau

anhydrous

Nível de qualidade

Ensaio

99.99% trace metals basis

forma

powder

Impurezas

≤150.0 ppm Trace Metal Analysis

pf

891 °C (lit.)

solubilidade

ethanol: insoluble(lit.)

densidade

2.43 g/mL at 25 °C

cadeia de caracteres SMILES

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

InChI

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

chave InChI

BWHMMNNQKKPAPP-UHFFFAOYSA-L

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Aplicação

Potassium carbonate may be used as a base in the synthesis of phytochemical-based oryzanol modified polystyrene from 4-chloromethylstyrene and γ-oryzanol in order to study their liquid crystal (LC) orientation property.

acessório

Nº do produto
Descrição
Preços

Pictogramas

Exclamation mark

Palavra indicadora

Warning

Frases de perigo

Classificações de perigo

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

Órgãos-alvo

Respiratory system

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 1

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable

Equipamento de proteção individual

dust mask type N95 (US), Eyeshields, Gloves


Certificados de análise (COA)

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Vertical liquid crystal orientation of phytochemical-based oryzanol modified polystyrene.
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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
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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

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