Stock solution prep

Question

Stock solution prep

kkutie7 · Answer

@whpalmer4 can you help me?

kkutie7 · Answer

table:
Element      Wavelenght nm             detection limit PPb       expected concentration mg/kg
Mg              279.5                            0.007, 0.003                10,000   
Zn            202., 206.2, 213.5           0.09, 0.05                     79 
Cr            205.6, 267.7, 283.5          0.21, 0.10                     53
Mn               257.6, 260.5                 0.07, 0.03                      420
Ni                 221.6, 231.6                 0.36,0.17                       66

kkutie7 · Answer

@NvidiaIntely

kkutie7 · Answer

from the table i need to find "concentration for 0.20g of SRM 2709 (soil sample) in 100 mL for each

nvidiaintely · Answer

Oh, sorry.
I have no idea what how and where this is.
I am very bad at Chemistry :/

kkutie7 · Answer

aww ok. know anyone who can help me?

nvidiaintely · Answer

@welshfella @whpalmer4 @cuanchi @ambuj

cuanchi · Answer

what concentration you have to find?
SRM 2709 (soil sample) this is the name of the sample?

kkutie7 · Answer

I already figured it out. Yeahs SRM 2709 would be a soil sample