Fiche des caractéristiques
Product Name
Carbonate de sodium BioUltra, anhydrous, ≥99.5% (calc. on dry substance, T)
Product Number
71345
Marque du produit
SIGMA
CAS Number
497-19-8
Poids moléculaire
105.99
Test | Caractéristique |
|---|---|
| APPEARANCE (COLOR) | Colorless or White |
| APPEARANCE (FORM) | Powder or Crystals |
| TITRATION (T) HCL 1M | 99.5 - 101.0 % (calc. to the dried substance) |
| LOSS ON DRYING | ≤ 1.0 % |
| METAL TRACE ANALYSIS (ICP) | CORRESPONDS TO REQUIREMENTS |
| ALUMINIUM (ICP) | ≤ 5 mg/kg |
| BARIUM (ICP) | ≤ 5 mg/kg |
| BISMUTH (ICP) | ≤ 5 mg/kg |
| CALCIUM (ICP) | ≤ 50 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) | ≤ 50 mg/kg |
| MANGANESE (ICP) | ≤ 5 mg/kg |
| MOLYBDENUM (ICP) | ≤ 5 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 |
| VARIOUS GUARANTEE LABEL TRACES (ICP-OES) | Phosphate, Silikate (as SiO(2)) ≤ 50 mg/kg |
| CHLORIDE (CL) | ≤ 50 mg/kg |
| TOTAL NITROGEN | ≤ 10 mg/kg |
| SOLUBILITY (METHOD) | 1M water |
| APPEARANCE (SOLUTION) | CLEAR COLORLESS |
| PH (SOLUTION) | ~ 12.0 25C |
| RESIDUE (FILTER TEST) | NO RESIDUE |
| UV - ABS. AT 260 NM | ≤ 0.01 |
| UV - ABS. AT 280 NM | ≤ 0.01 |
| RECOMMENDED RETEST PERIOD | 72 MONTHS |