Don t sit back and wait to find out about companies in liquidation through the grapevine or from Companies House. We are the first to list all companies that go into liquidation in the UK and present it in a simple format that allows you to quickly find and capitalise on opportunities.on t sit back and wait to find out about companies in liquidation through the grapevine or from Companies House. We are the first to list all companies that go into liquidation in the UK and present it in a simple format that allows you to quickly find and capitalise on opportunities.
Polarity Index. Burdick & Jackson solvents are arranged in order of increasing polarity index, a relative measure of the degree of interaction of the solvent with various polar test solutes.olarity Index. Burdick & Jackson solvents are arranged in order of increasing polarity index, a relative measure of the degree of interaction of the solvent with various polar test solutes.
Refractive index. In optics, the refractive index or index of refraction n of a material is a dimensionless number that describes how light propagates through that medium. It is defined as n = c v, {\displaystyle n={\frac {c}{v}},} where c is the speed of light in vacuum and v is the phase velocity of light in the medium.