Gravimetric examination portrays a lot of techniques utilized in explanatory science for the quantitative assurance of an analyte (the particle being broke down) in view of its mass. The guideline behind this kind of investigation is that once a particle's mass has been resolved as an interesting intensify, that realized estimation would then be able to be utilized to decide the equivalent analyte's mass in a blend, as long as the overall amounts of different constituents are known.The four primary sorts of this strategy for examination are precipitation, volatilization, electro-systematic and random physical method.The techniques include changing the period of the analyte to isolate it in its unadulterated structure from the first blend and are quantitative estimations.