เครื่องวัดขนาดชิ้นงานแบบละเอียด (Vernier caliper)

Product Name:  Sulfuric acid 90-91%, for Gerber fat determination and determination of nitrates in milk

Quality Level:  300

Assay:  90.0-91.0% (acidimetric)

form: liquid

impurities: ≤0.2 ppm Nitrate (NO3)

bp: 300 °C

density: 1.81 g/cm3 at 20 °C

storage temp.: no temp limit

SMILES string: OS(O)(=O)=O

InChI: 1S/H2O4S/c1-5(2,3)4/h(H2,1,2,3,4)

InChI key: QAOWNCQODCNURD-UHFFFAOYSA-N

Analysis Note

Assay (acidimetric): 90.0 - 91.0 %

Density (20 °C): 1.815 - 1.821 g/ml

Nitrate (NO₃): ≤ 0.2 ppm

Test for oily and fatty substances: passes test

Expiry date: see product label