chlorek cezu 99.99%, white crystalline powder, Optical Grade
Dostawca: MP Biomedicals
Cesium chloride is typically used for density gradient work and for the purification of virus/phage, nucleic acids and nucleoproteins. It is used for the preparation of electrically conducting glasses, used to make solutions for the separation of RNA from DNA by density gradient centrifugation.
Barium
Cesium chloride (CsCl) is commonly used in the separation of DNA and RNA. Procedures have been reported for the purification of closed circular DNA by equilibrium centrifugation in both continuous and discontinuous CsCl-ethidium bromide gradients. Subsequently, the CsCl can be removed from the DNA preparation by either dialysis or precipitation.
Freely soluble in water (500 mg/ml),(50% aqueous-clear, colourless solution); soluble in ethanol, alcohol.
Formuła:
CsCl Temp. Wrzenia: 1303 °C (lit.) Temp. topnienia: 646 °C Gęstość: 3,7808 g/cm³ (20 °C) Temperatura przechowywania: Temperatura otoczenia |
Numer MDL:
MFCD00010955 Numer CAS: 7647-17-8 Numer WE (dawny EINECS): 231-600-2 Klasyfikacja Merck : 13,02021 |
Wyniki testów specyfikacyjnych
Purity | 99.99% |
OD260 nm (50% aq soln) | <0.02 |
pH | 5.5 - 6.5 (1% aq soln) |
Barium | ≤10 ppm |
Magnesium | ≤ 1 ppm |
Potassium | ≤20 ppm |
Iron | ≤ 1 ppm |
Calcium | ≤10 ppm |
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