CAS:2538-85-4,媒介黑 17廠家 可通過(guò)一下幾種方式咨詢或訂購(gòu):1.。2.。3.本頁(yè)下方留言,我司銷售人員會(huì)在半個(gè)工作日您。4:向我司發(fā)傳真或郵件。
CAS:2538-85-4,媒介黑 17廠家 產(chǎn)品參數(shù):
英文:Calcon?
CAS號(hào):2538-85-4
別名:鈣指示劑; 酸性媒介黑R
分子式:C20H13N2NaO5S
分子量:416.39
產(chǎn)品介紹:
介紹:2538-85-4,媒介黑 17溶于水和醇,水溶液呈紫色,加鹽酸于水溶液中有棕色沉淀,醇溶液為藍(lán)紅色,濃硝酸溶液為黃色,氫氧化鈉溶液為棗紅色,硫酸液為藍(lán)色,用水稀釋析出紅色沉淀。zui大吸收波長(zhǎng)570nm。有刺激性
敏感性: 對(duì)濕度敏感
用途: Al, Fe, Zr的絡(luò)合指示劑,熒光分析測(cè)鋁,測(cè)定水硬度
貯存: 密封保存
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