5.0/ 5.0
100% pembeli merasa puas
3 rating • 1 ulasan
5(3)100%
4(0)0%
3(0)0%
2(0)0%
1(0)0%
Atur jumlah dan catatan
Stok Total: Sisa 3
Subtotal
Rp479.000
Prolin - Merck - Eceran 3 gram
Rp479.000
L-Proline for biochemistry.
CAS 147-85-3,
pH 5 - 7 (100 gl, H₂O, 20 °C).
Assay 99.0 - 101.0 %
Identity (IR-spectrum) passes test
Appearance white or almost white, crystalline powder or colorless crystals
Appearance of solution (50 g/l; water) clear and colorless
Spec. rotation (α 20/D, 40 g/l, water, calc. on dried substance) -84.0 to -86.0
Chloride (Cl) ≤ 200 ppm
Sulfate (SO₄) ≤ 300 ppm
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)) ≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities) ≤ 0.5 %
Loss on Drying (105 °C) ≤ 0.4 %
Density 1.4 g/cm³ (45 °C)
Melting Point 221 °C (decomposition)
pH value 5 - 7 (100 g/l, H₂O, 20 °C)
Bulk density 500 kg/m³
Solubility 1500 g/l
CAS 147-85-3,
pH 5 - 7 (100 gl, H₂O, 20 °C).
Assay 99.0 - 101.0 %
Identity (IR-spectrum) passes test
Appearance white or almost white, crystalline powder or colorless crystals
Appearance of solution (50 g/l; water) clear and colorless
Spec. rotation (α 20/D, 40 g/l, water, calc. on dried substance) -84.0 to -86.0
Chloride (Cl) ≤ 200 ppm
Sulfate (SO₄) ≤ 300 ppm
Ninhydrin-positive substances (LC) (any ninhydrin-positive impurity) ≤ 0.2 %
Ninhydrin-positive substances (LC) (ammonium (570 nm)) ≤ 0.02 %
Ninhydrin-positive substances (LC) (total impurities) ≤ 0.5 %
Loss on Drying (105 °C) ≤ 0.4 %
Density 1.4 g/cm³ (45 °C)
Melting Point 221 °C (decomposition)
pH value 5 - 7 (100 g/l, H₂O, 20 °C)
Bulk density 500 kg/m³
Solubility 1500 g/l
Ada masalah dengan produk ini?