Specification Sheet
Product Name
BIS-TRIS BioUltra, ≥99.0% (NT)
Product Number
14879
Product Brand
SIGMA
CAS Number
6976-37-0
Molecular Weight
209.24
Test | Specification |
|---|---|
| APPEARANCE (COLOR) | White |
| APPEARANCE (FORM) | Powder to Crystals |
| TITRATION (NT) HCLO4 0.1M | 99.0 - 100.5 % |
| LOSS ON DRYING | ≤ 0.5 % |
| RESIDUE ON IGNITION | ≤ 0.3 % |
| INFRARED SPECTRUM | CONFORMS TO STRUCTURE |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| ALUMINIUM (ICP) | ≤ 5 mg/kg |
| BARIUM (ICP) | ≤ 5 mg/kg |
| BISMUTH (ICP) | ≤ 5 mg/kg |
| CALCIUM (ICP) | ≤ 10 mg/kg |
| CADMIUM (ICP) | ≤ 5 mg/kg |
| COBALT (ICP) | ≤ 5 mg/kg |
| CHROMIUM (ICP) | ≤ 5 mg/kg |
| COPPER (ICP) | ≤ 5 mg/kg |
| IRON (ICP) | ≤ 5 mg/kg |
| POTASSIUM (ICP) | ≤ 50 mg/kg |
| LITHIUM (ICP) | ≤ 5 mg/kg |
| MAGNESIUM (ICP) | ≤ 5 mg/kg |
| MANGANESE (ICP) | ≤ 5 mg/kg |
| MOLYBDENUM (ICP) | ≤ 5 mg/kg |
| SODIUM (ICP) | ≤ 50 mg/kg |
| NICKEL (ICP) | ≤ 5 mg/kg |
| LEAD (ICP) | ≤ 5 mg/kg |
| STRONTIUM (ICP) | ≤ 5 mg/kg |
| ZINC (ICP) | ≤ 5 mg/kg |
| ARSENIC TRACES (MHS-AAS) | ≤ 0.1 mg/kg |
| TOTAL SULFUR AS SO4 (ICP) | ≤ 50 mg/kg |
| CHLORIDE (CL) | ≤ 50 mg/kg |
| SOLUBILITY (METHOD) | 6.277 G IN 30 ML H2O (1 M) |
| APPEARANCE (SOLUTION) | CLEAR COLORLESS |
| PH (SOLUTION) | 9.5 - 11.0 |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 280 NM | ≤ 0.1 |
| CUT-OFF | ≤ 270.0 nm |
| RECOMMENDED RETEST PERIOD | 72 MONTHS |