Gravimetric AnalysisSMK Negeri 13 Bandung
Teknologi dan Rekayasa
Teknologi dan RekayasaAfter this session, the students are expected to be able :Objectives.explain the definition of analysis, chemical analysis and gravimetric analysis4. explain the condition of gravimetric analysis2.explain the steps of quantitative analysis3.explain the advantages of gravimetric analysis5. distinguish the separation process in gravimetric analysis6. explain the condition of precipitate in gravimetric analysis
Teknologi dan Rekayasa
Teknologi dan RekayasaTeknologi dan Rekayasa
What is gravimetric analysis? What is analysis? What is Chemical analysis?
Teknologi dan Rekayasa
Teknologi dan RekayasaTeknologi dan RekayasaChemical Analysis
Teknologi dan Rekayasa
Teknologi dan RekayasaSampling
2. Transform the target element to a measurable form
3. Measurement
Teknologi dan Rekayasa
Teknologi dan RekayasaBy VolumeBy Weight
Teknologi dan Rekayasa
Teknologi dan Rekayasa.IsolatingWeighing
Teknologi dan Rekayasa
Teknologi dan RekayasaThe separation is complete no ion remind or less than 0,1 gram2. The element or compound of the element separated is pure3. The element or compound is in the definite form.
Teknologi dan Rekayasa
Teknologi dan Rekayasaa. accurate and preciseb. sources of error are readily checkedc. absolute method (direct measurement) d. inexpensive apparatus
Teknologi dan Rekayasa
Teknologi dan Rekayasastandard to be used for the testing and/or calibration of instrumental techniques;
(b) high accuracy, although the time-consuming limits this application
Teknologi dan Rekayasa
Teknologi dan Rekayasaa. Precipitation methodsb. Volatilization or evolution methodsc. Electro analytical methodsd. Extraction and chromatographic methods. The separation process
Teknologi dan Rekayasa
Teknologi dan Rekayasa
The precipitate must be
1. insoluble2. readily separated from the solution by filtration, and can be washed free of soluble impurities. 3. convertible into a pure substance of definite chemical composition
Teknologi dan Rekayasa
Teknologi dan RekayasaVolatilizationHeating method - Lost on ignition - Humidity/volatile matter - Ash - TS/TDS2. Chemical method - CO2 liberating from carbonate compound CO3= + H+ CO2 + H2O
Teknologi dan Rekayasa