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维基
百科
铬天青S
chrome azurol S
- 研究以铬天青S为显色剂测定粉条中铝含量的分光光度法。
A spectrophotometric method was studied for the determination of aluminum in vermicelli with Chrome azurol S (CAS). - 采用乙醚萃取分离污泥中的铁（Ⅲ ）、铝（Ⅲ ） ，以铬天青S（CAS）光度法测定铝的含量。
The extraction of iron(Ⅲ) and aluminium(Ⅲ) from sewage sludge with diethyl was studied. The content of aluminium was determined with CAS spectrophotometry. - 方法简便可靠，用于2-［（5- 溴-2-吡啶）偶氮］-5-（二乙氨基） 苯酚和铬天青S纯度的测定，获得了满意的结果。
This simple and convenient method has been applied to the determination of the purity of 2 [(5 bromo 2 pyridyl)azo] 5 (diethyl amino) phenol(5 Br PADAP) and chrome azurol S with satisfactory results.
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