200.7 ICP QC Standard for 200.7 (7 analytes) in a HNO3/HF matrix. Available in 125mL.
This off-the-shelf Environmental Standard blend is part of a set designed for EPA Method 200.7 (1982) for performing a Quality Control Check. It is made from our in-house Second Source Concentrates and contains the following elements and concentrations:
| Element | PPM | | Element | PPM | | Element | PPM |
| Al |
100 |
|
Ba |
100 |
|
Si |
50 |
| Ag |
100 |
|
K |
1000 |
|
|
|
| B |
100 |
|
Na |
100 |
|
|
|