铬黑T,指示试剂
铬黑T,ACS
铬黑T指示液,w(C20H12O7N3SNa) = 10g/L
铬黑 T,溶于三乙醇胺,硬水指示剂
铬黑T指示液,0.5%
铬黑T,生物技术级
铬黑T,指示剂,5g/L