Hoja de especificación

Nombre del producto
Sodium phosphate dibasic dodecahydrate BioXtra, ≥99.0% (T)

Referencia del producto
71649

Marca de producto
SIGMA

Número de CAS
10039-32-4

Peso molecular
358.14

Ensayo

Especificación

APPEARANCE (COLOR)Colorless or White
APPEARANCE (FORM)Crystals or Crystals with Chunks
TITRATION99.0 - 101.0 %
TITRATION (METHOD)BACK TITRATION
LOSS ON DRYING57.0 - 61.0 %
METAL TRACE ANALYSIS (ICP)CORRESPONDS TO REQUIREMENTS
ALUMINIUM (ICP)≤ 5 mg/kg
BARIUM (ICP)≤ 5 mg/kg
BISMUTH (ICP)≤ 5 mg/kg
CALCIUM (ICP)≤ 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
NICKEL (ICP)≤ 5 mg/kg
LEAD (ICP)≤ 5 mg/kg
STRONTIUM (ICP)≤ 5 mg/kg
ZINC (ICP)≤ 5 mg/kg
ARSENIC TRACES (MHS-AAS)≤ 0.5 mg/kg
TOTAL SULFUR AS SO4 (ICP)≤ 50 mg/kg
CHLORIDE (CL)≤ 5 mg/kg
ION CHROMATOGRAPHY (FLUORIDE)≤ 5000.0 ug/kg
SOLUBILITY (METHOD)0.1M water
APPEARANCE (SOLUTION)CLEAR COLORLESS
PH (SOLUTION)8.8 - 9.4
RESIDUE (FILTER TEST)NO RESIDUE
UV - ABS. AT 260 NM≤ 0.01
UV - ABS. AT 280 NM≤ 0.01
RECOMMENDED RETEST PERIOD42 MONTHS