175570
관리자 [2018-08-30 13:16:23]
조회수 834
Kjeldahl Catalyst (Cu-Se) (9% CuSO4.5H2O + 0.9% Se) tablets
4 kg (4g x 1000 tab.)
tablets / Suitability: for nitrogen determination: passes test
관리자 [2018-08-30 13:16:23]