Answer Posted / d .m shetty

the sulphates ash basically heavy metals more of calcium contents. when calcium oxide burns with sulphuric acid. it will convert to calcium sulphate. it will not evoparate. it remains in crucible as coloured residue. it may not be sodium sulphate because . sodium sulphate is burns completely and evaporated at high temp in muffle furnace.it is my experience. . not as expertise view.

if you have given a blank water how you analyse by general analytical techniques?

1504

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How to set analytical specification for combination products?

315

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How can we calculate "confidence interval" in analytical method validation? Pl. explain with example.

3585

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1714

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1)What's the meaning of Absorption,give a example. 2)What's the meaning of Adsorption,give a example. 2)what is the difference between Absorption and Adsorption.

2420

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840

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1151

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1095

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301

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2013

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2108

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In IR spectra, generally a molecule vibrates without apply emr or ir light?

1429

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CAN WE DETERMINE THE PEAK PURITY IN GAS CHROMATOGRAPHY ANALYSIS?

695

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2152

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AT WHAT CONDITIONS WILL YOU ANALYSE A SAMPLE,WHICH ARE PRESERVED AT OTHER THAN THE AMBIENT CONDITIONS?(ie COLD STORAGE SAMPLES BELOW 20* CENTIGRADE?

1602

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