 Standard solution for spectroscopy
concentration ρ/（μg/mL-1）
| Element |
Number |
Mass concentration |
Medium |
| Gold |
GBW08658 |
1000 |
10%Hydrochloric acid |
| Beryllium |
GBW08659 |
1000 |
2%Hydrochloric acid |
| Niobium |
GBW08660 |
1000 |
1%Hydrofluoric acid |
| Silicon dioxide |
GBW08661 |
1000 |
0.1％Sodium carbonate |
| Tantalum |
GBW08662 |
1000 |
1% Hydrofluoric acid |
| Tungsten |
GBW08663 |
1000 |
0.1％Sodium hydroxide |
| 
standard solution for spectroscopy
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