Recent content by nickatomic

i want to add that for cu and Ni and pb i don't see that difference

thank you for your replies about matrix modifier. . i don't think that it needs because i m using flame - absorbion. i think that it is used only to furnace. about the standard. i have made it from a comercial one. i don't think it has to do with dilutions or cleaning. the comercial one is in...

i was using 0.2 mg/lt to 4 mg/lt. i made a very good calibration but after i finished and measured again standards it was showing smaller absorbances and of course concentrations

i have a big problem while i m trying to measure Cr with flame with Aanalyst 200 i m following the guidelines of perkin elmer. i m using a rich yello flame 4.5/10. i have made some standards 0.2, 1,2,4 with 0.2% nitric acid. i m doing calibration and when i finish i have noticed that the...