atomic absorption spectrophotometry (1 Viewer)

[hafsaa]

hi
i m studing AAS(atomic absorption specvtroscopy) technique.using beer"s law i plot a graph bw absorbance and concentration.then how can i make the quantitative analysis of my sample?

 

[GUSSSSSSSSSSSSS]

well once u have plotted ur data it comes up with a diagonal line

you look at the value given for absorbance of ur sample

look at the Y AXIS of the graph, find that absorbance, then find the corresponding concentration (X AXIS VALUE) that goes with that absorbance

.....hmmmmm does that make it any clearer?

 

[hafsaa]

ok .is that concentration meant quantitative analysis?im confused

 

[GUSSSSSSSSSSSSS]

yea yea cos quantitative is to give a numeric value to it

so by stating a concentration (most likely in ppm) u are giving a quantitative result

xD

 

[hafsaa]

ok.tell me what shud i do if i have standard calibration curves also.how can i make my result?may i send graphs? which creates problem to me

 

[annabackwards]

ok.tell me what shud i do if i have standard calibration curves also.how can i make my result?may i send graphs? which creates problem to me

Use the standard calibration curve in place of the one and do as GU(Sx13) said:
"you look at the value given for absorbance of ur sample

look at the Y AXIS of the graph, find that absorbance, then find the corresponding concentration (X AXIS VALUE) that goes with that absorbance"

 

[hafsaa]

ok,me sending graph and table of sample.the values of absorbance and their corresponding values of concentration are given.then hw can i use the standard calibration method?

 

[hafsaa]

here r they