þÿ S u b m i t
b þÿy P Er im n a t i l
REQUEST FORM FOR CUSTOM-MADE
STANDARD SOLUTIONS
Internal
Standards
1. Specify the concentration of the chosen element in mg/l.
ELEMENT
CONCENTR.
in mg/l
ELEMENT
Au (HNO3 /HCl or HCl)
Pr (HNO3 or HCl)
Be (HNO3 /tr.HF or HCl)
Rb (H2O; HNO3 or HCl)
Bi (HNO3)
Re (H2O; HNO3 or HCl)
Cs (H2O; HNO3 or HCl)
Rh (HNO3 /HCl or HCl)
Eu (HNO3 or HCl)
Sc (HNO3 or HCl)
Ga (HNO3 or HCl)
Tb (HNO3 or HCl)
Ge (HNO3 /tr.HF or HCl)
Th (HNO3 or HCl)
Ho (HNO3 or HCl)
Y (HNO3 or HCl)
In (HNO3 or HCl)
Yb (HNO3 or HCl)
CONCENTR.
in mg/l
ELEMENT
CONCENTR.
in mg/l
C.P.A.Chem recommendations:
- Noble elements (Au, Ir, Os, Pd, Pt, Rh, Ru) prior in HCl.
- Rare-earth elements (Ce, Dy, Er, Eu, Gd, Ho, La, Lu, Nd, Pr, Sc, Sm, Tb, Th, Tm, Y, Yb) are
incompatible with elements containing HF
2. Specify the concentration of the chosen matrix, needed volume and quantities.
MATRIX
CONCENTRATION
in %
VOLUME
in ml
NUMBER
OF BOTTLES
H2O
HNO3
HNO3 /tr. HF
HCl
3. Complete.
Name*
Company*
City*
State/Prov
Zip/Postal Code*
Country*
Telephone*
Fax
E-mail*
*Required
Please, photocopy for future use and e-mail or fax it to your local distributor or CPAchem at: +359 42 607 716