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Documenti fondamentali

30614

Sigma-Aldrich

Idrossido di potassio

puriss. p.a., ACS reagent, reag. ISO, ≥85%, ≤0.002% Na, pellets

Sinonimo/i:

Soda caustica

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About This Item

Formula condensata:
KOH
Numero CAS:
Peso molecolare:
56.11
Numero CE:
Numero MDL:
Codice UNSPSC:
12352106
ID PubChem:

Grado

ACS reagent
puriss. p.a.

agenzia

reag. ISO

Tensione di vapore

1 mmHg ( 719 °C)

Saggio

≥85%

Forma fisica

pellets

Impurezze

≤0.0003% total nitrogen (N)
≤0.002% Na
≤1% K2CO3

Punto di fusione

361 °C (lit.)

Anioni in tracce

chloride (Cl-): ≤5 mg/kg
phosphate (PO43-): ≤5 mg/kg
silicate (as SiO2): ≤20 mg/kg
sulfate (SO42-): ≤5 mg/kg

Cationi in tracce

Al: ≤2 mg/kg
Ca: ≤5 mg/kg
Cd: ≤0.1 mg/kg
Cu: ≤1 mg/kg
Fe: ≤5 mg/kg
Mn: ≤0.5 mg/kg
Na: ≤20 mg/kg
Ni: ≤1 mg/kg
Pb: ≤1 mg/kg
Zn: ≤1 mg/kg

Stringa SMILE

[OH-].[K+]

InChI

1S/K.H2O/h;1H2/q+1;/p-1
KWYUFKZDYYNOTN-UHFFFAOYSA-M

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Altre note

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.

Pittogrammi

CorrosionExclamation mark

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1A

Codice della classe di stoccaggio

8A - Combustible corrosive hazardous materials

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges


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Shao-Long Sun et al.
Carbohydrate polymers, 92(2), 2224-2231 (2013-02-13)
Sweet sorghum stem was successively extracted with water at 90 °C, 0.3, 0.6, 1.0, 1.5, and 2.0% KOH aqueous solution, and 60% ethanol containing 2.5% KOH at 75 °C for 3 h, yielding 76.3% of the original hemicelluloses. Chemical composition
Andreu Fabregat et al.
Steroids, 78(3), 327-336 (2012-12-25)
The occurrence of several polyunsaturated testosterone related compounds (including 4,6-androstadien-3,17-dione and 4,6-androstadien-17β-ol-3-one) in urine after alkaline treatment of the sample has been recently reported. Although several experiments seem to indicate that they are testosterone metabolites, their origin is still unknown.
Rui-Lin Liu et al.
The Analyst, 137(21), 5135-5143 (2012-09-13)
A rapid and practical microwave-assisted one-step extraction-derivatization (MAED) method was developed for gas chromatography-mass spectrometry analysis of fatty acids profile in herbal medicine. Several critical experimental parameters for MAED, including reaction temperature, microwave power and the amount of derivatization reagent
Rajat Sharma et al.
Applied biochemistry and biotechnology, 169(3), 761-772 (2013-01-01)
Chemical pretreatment of lignocellulosic biomass has been extensively investigated for sugar generation and subsequent fuel production. Alkaline pretreatment has emerged as one of the popular chemical pretreatment methods, but most attempts thus far have utilized NaOH for the pretreatment process.
In-Seek Jeong et al.
Journal of food science, 77(10), C1042-C1046 (2012-09-18)
In this study, nonheated saponification was employed as a novel, rapid, and easy sample preparation method for the determination of cholesterol in emulsified foods. Cholesterol content was analyzed using gas chromatography with a flame ionization detector (GC-FID). The cholesterol extraction

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