201-064-4 | Sigma-Aldrich

Trizma Base (Tris Base) Specification Comparison

Molecular Weight 121.14 MDL Number MFCD00004679 pKa ( at 20) 8.20 CAS Number 77-86-1 EG/EC Number 201-064-4 pKa (at 25) 8.06 Melting point 168-172 °C Boiling point 219-220 °C/10 mmHg pKa (at 37) 7.72

Trizma Base Specification Comparison

Molecular Weight 121.14 MDL Number MFCD00004679 pKa ( at 20) 8.20 CAS Number 77-86-1 EG/EC Number 201-064-4 pKa (at 25) 8.06 Melting point 168-172 °C Boiling point 219-220 °C/10 mmHg pKa (at 37) 7.72 Sigma-Aldrich

App Note: Steroid Hormone Analysis in Serum using Supel™ Swift HLB DPX Tips

D5) solution 100 μg/mL in methanol, ampule of 1 mL, certified reference material, Cerilliant® D-064 5α-Dihydrotestosterone (DHT) solution - 1.0 mg/mL in methanol, ampule of 1 mL, certified reference

Manual Spectroquant Spectrophotometer Pharo 100

Coefficient (436) 229 Sulfate Cell Test 102532 1.0 – 50.0 mg/l SO4 Bariumsulfate, turbidimetric 064 Sulfate Cell Test 114548 5 – 250 mg/l SO4 Bariumsulfate, turbidimetric 154 Sulfate Cell Test 100617

Manual Spectroquant espectrofotometro Pharo 300

Na como cloruro 229 Sulfatos, TC 102532 1,0 – 50,0 mg/l de SO4 Sulfato de bario, turbidimétrico 064 Sulfatos, TC 114548 5 – 250 mg/l de SO4 Sulfato de bario, turbidimétrico 154 Sulfatos, TC 100617