Kjeldahl tablets (Catalyst with 9 % CuSO? · 5H?O and 0.9 % Se)

Kjeldahl tablets (Catalyst with 9 % CuSO? · 5H?O and 0.9 % Se)
Content: 1000 x 4 GRM
Physical Description:
Solid
Specification: Suitable for nitrogen determination: passes test
Composition:
Potassium sulfate: 90 %
Copper(II) sulfate · 5H2O? %
Selenium: 0.9 %