Karim Mosa

4 Questions 6 Answers 0 Followers

Questions related from Karim Mosa

Low recoveries of analytes in ICPOES?

Hi All, I am setting up a method for Ag,Cu,Fe,S, and Zn on ICPOES for the soil meniral samples but the CRMs used are giving low recoveries with almost 7%-9% for all the analytes . Do you have any...

30 January 2025 4,884 1 View

Food analyses for heavy metals by ICP-MS?

Dear all. I have i food sample and i need to analyse lead in it . Should i choose lead 206 and lead 208 or only one is enough. If i choose the both how can i translate this in the calibration...

23 June 2019 8,288 9 View

Food analyses for heavy metals by ICP-MS?

Please all . I need to know how to calculate the spike samples for food analyses . I spiked the sample before microwave digestion ( in solid phase ) i spiked 5 ppb and i get instrument result of...

01 January 1970 7,980 7 View

Gallium as internal standrd in ICP-MS

Hello all, i am using gallium ,scandium and Indium as IS but always i get very good recovery for scandium and indium only . Gallium always give bad intensities. Does any one face that type of...

01 January 1970 6,061 0 View