钙黄绿素

亮黄色粉末，能溶于醇和碱，微溶于水。其钠盐为橙红色结晶，溶于水，呈黄色而有绿色荧光，不溶于无水乙醇和乙醚。
熔点：200℃

Q/(HG)SJ 258-91
项目Item                                    分析纯
                                             (AR)
螯合滴定试验Complex titrating test           合格
干燥失重Drying loss,%                        ≤10.0
水溶解试验Soluble                            可溶性
游离萤光素Free flurescein                    合格
灼烧残渣(以硫酸盐计)Ignition residue,%       ≤1.0


超纯级:

外观Appearance                              Yellow to Brown Powder
可溶性Solubility                            Orange to Brown，Clear，50 mg/mL, 1 M NaOH
纯度Purity(HPLC)                            ≥92.0%
氮Nitrogen                                  4.2 - 4.8 %
Suitability Suitable
螯合滴定试验Complex titrating test          pass
在镁存在下EDTA测定钙 EDTA titration of Ca in the presence of Mg.
                                            pass test