| Cesium Chloride, Optical Grade
Catalog # Size
IB37060 100 g
IB37062 1 kg
Physical Specifications
Formula Weight 168.34
Molecular Formula CsCl
Purity
>99.999%
Phosphate
<0.5 ppm
Solubility (6.0M) Complete, clear
Calcium
<0.5 ppm
A280 (6.0 M) <0.02
Lithium
<0.5 ppm
pH (1.0 M) 6.5 ± 0.2
Sodium
<0.4 ppm
Density (50% w/v) 1.60 g/ml
Rubidium
<5 ppm
Conductivity (1.0M) >80,000 mmho
Magnesium
<0.05 ppm
Potassium <1 ppm
Barium
<5 ppm
Iron
<0.2
ppm Aluminum
<0.1 ppm
Sulfate
<5
ppm
Molecular Biology Specifications
DNase assay
None
Detected
RNase assay
None
Detected
Protease assay
None
Detected
Recommended Use
Provides optical grade cesium chloride for purification of DNA by density gradient
centrifugation
Use 1g/mL of cesium chloride (final concentration) and centrifuge for two days at
approximately 50,000 rpm. The DNA, RNA, and proteins will separate.
Example: For a 50 mL gradient use 50 g of cesium chloride.
Storage
Cesium Chloride (optical grade) is hygroscopic. The container should be sealed tightly and
stored at room temperatures. Protect from moisture.
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