|   Sum  |       99.54  |       99.55  |       99.60  |       99.58  |       99.56  |       99.57  |    
|   Trace elements (ppm)  |       
  |    |||||
|   Ba  |       17  |       24  |       8  |       38  |       16  |       19  |    
|   Co  |       79  |       72  |       65  |       88  |       86  |       65  |    
|   Cr  |       1772  |       3290  |       2551  |       2633  |       2189  |       2483  |    
|   Cu  |       3  |       19  |       17  |       70  |       11  |       35  |    
|   Ni  |       1568  |       1328  |       1097  |       833  |       1532  |       1117  |    
|   Pb  |       0.7  |       0.2  |       2  |       0.5  |       0.4  |       0.5  |    
|   Rb  |       10  |       0.3  |       2  |       0.8  |       0.7  |       2  |    
|   Sr  |       8  |       10  |       5  |       35  |       6  |       7  |    
|   V  |       33  |       39  |       60  |       65  |       45  |       44  |    
|   Zn  |       6  |       17  |       9  |       19  |       12  |       34  |