| grade | TraceSELECT® |
| assay | ≥30% (in water) |
| total impurities | ≤2 mg/kg total nitrogen (N) |
| density | 1.29 g/mL at 20 °C |
| anion traces | bromide (Br-): ≤100 μg/kg |
| | carbonate (K2CO3): ≤1000 mg/kg |
| | chloride (Cl-): ≤500 μg/kg |
| | fluoride (F-): ≤100 μg/kg |
| | nitrate (NO3-): ≤500 μg/kg |
| | nitrite (NO2-): ≤100 μg/kg |
| | phosphate (PO4-): ≤50 μg/kg |
| | sulfate (SO42-): ≤1000 μg/kg |
| cation traces | Al: ≤20 μg/kg |
| | As: ≤10 μg/kg |
| | Ba: ≤50 μg/kg |
| | Ca: ≤100 μg/kg |
| | Cd: ≤5 μg/kg |
| | Co: ≤10 μg/kg |
| | Cr: ≤10 μg/kg |
| | Cu: ≤20 μg/kg |
| | Fe: ≤200 μg/kg |
| | Hg: ≤5 μg/kg |
| | Li: ≤100 μg/kg |
| | Mg: ≤50 μg/kg |
| | Mn: ≤20 μg/kg |
| | Na: ≤5000 μg/kg |
| | Ni: ≤50 μg/kg |
| | Pb: ≤10 μg/kg |
| | Sb: ≤50 μg/kg |
| | Se: ≤10 μg/kg |
| | Sr: ≤50 μg/kg |
| | Zn: ≤20 μg/kg |
