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Merck
CN

31245

碳酸钾

puriss. p.a., reag. ISO, reag. Ph. Eur., anhydrous, ≥99%

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关于此项目

线性分子式:
K2CO3
化学文摘社编号:
584-08-7
分子量:
138.21
EC Number:
209-529-3
UNSPSC Code:
12352300
PubChem Substance ID:
24858893
Beilstein/REAXYS Number:
4267587
MDL number:
MFCD00011382

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InChI key

BWHMMNNQKKPAPP-UHFFFAOYSA-L

InChI

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

SMILES string

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

agency

reag. ISO, reag. Ph. Eur.

grade

puriss. p.a.

assay

≥99%

impurities

≤0.001% total nitrogen (N), ≤0.003% total S (as SO4)

loss

≤1.0% loss on ignition, 600 °C

mp

891 °C (lit.)

anion traces

chloride (Cl-): ≤20 mg/kg, phosphate (PO43-): ≤10 mg/kg, silicate (as SiO2): ≤30 mg/kg

cation traces

Al: ≤10 mg/kg, As: ≤1 mg/kg, Ca: ≤20 mg/kg, Cu: ≤5 mg/kg, Fe: ≤5 mg/kg, Mg: ≤10 mg/kg, Na: ≤500 mg/kg, Pb: ≤5 mg/kg

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Other Notes

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

pictograms

Exclamation mark
GHS07

signalword

Warning

Hazard Classifications

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

target_organs

Respiratory system

存储类别

13 - Non Combustible Solids

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

法规信息

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分析证书(COA)

Lot/Batch Number
SZBB3200V
SZBB3200
SZBB0380
SZBB0380V
SZBA2240

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Ana S Mestre et al.
Bioresource technology, 102(17), 8253-8260 (2011-07-05)
Sisal waste was used as precursor to prepare carbons by chemical activation. The influence of the K(2)CO(3) amount and activation temperature on the materials textural properties were studied through N(2) and CO(2) adsorption assays. As the severity of the treatment
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, 102(20), 9814-9817 (2011-08-30)
Rice husk (RH), an abundant by-product of rice milling, was used for the preparation of activated carbon (RHAC) via KOH and K(2)CO(3) chemical activation. The activation process was performed at the microwave input power of 600 W for 7 min.
Hong Xiao et al.
Bioresource technology, 111, 127-133 (2012-03-09)
Preparation of activated carbon from the edible fungi residue (EFR) by microwave assisted K(2)CO(3) activation was studied. The optimum preparation conditions were as follows: radiation time of 16 min, K(2)CO(3)/EFR ratio of 0.8 and microwave power of 520 W. The
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