395464
관리자 [2018-08-27 20:11:47]
조회수 1377
Solution A for turbidity primary standard
250ml
COMPOSITION:
Hydrazinium Sulphate: 1.0 g
Water (s.q.m): 100.0 ml
Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
Hydrazinium Sulphate: 1.0 g
Water (s.q.m): 100.0 ml
Assay (as NH2-NH2, H2SO4) (w/v): 0.95 - 1.05 %
