![](http://img4.cpooo.com/files/201505/16/p/39/585509_1431745995.jpg)
柠檬酸
柠檬酸规格:99.5%产地:比利时/美国包装:50kg/袋价格:5100元/吨柠檬酸CitrateCas号:77-92-9分子式C6H8O7;HOC(COOH)(CH2COOH)2分子量192.12别名CitricacidsolutionCitricacidanhydrous2-Hydroxy-1,2,3-propanetricarboxylicacidCitricacid性状白色颗粒,在潮湿空气中易吸潮,高温分解,易溶于水及醇;微溶于醚.密度:1.1熔点:153-159°C备注:以上描述,仅作参考,并不表示您收到的产品,与此项描述完全相符,产品的出厂标准,请参见质量标准。质量标准Q/(HG)SJ460-91项目Item分析纯化学纯(AR)(CP)含量(C6H8O7)Assay,%≥99.599.0澄清度试验Clarity合格合格水不溶物Insolublematterinwater,%≤0.010.01灼烧残渣(以***盐计)Ignitionresidue,%≤0.0350.07氯化物(Cl)Chloride,%≤0.00250.005***盐(SO4)Sulfate,%≤0.010.02磷酸盐(PO4)Phosphate,%≤0.00250.005钙(Ca)Calcium,%≤0.010.02铁(Fe)Iron,%≤0.0010.002***(以Pb计)He***ymetals,%≤0.00050.001品级Grade细胞培养专用(AR)外观Appearance白色至类白色粉末红外光谱鉴别InfraredspectrometryConforms纯度Purity≥97.0%(GC)水溶解试验solubilityinwater50mg/mL,Clear水分water≤1.0%(K.F)细胞培养测试CellCultureTestPass植物细胞培养PlantCellCultureTestPass品级GradeACS级(ACSreagent)含量assay≥99.5%(T)灼烧残渣Ignitionresidue≤0.02%(asSO4)干燥损失lossondrying≤0.5%,110°CpKa(1)3.13,(2)4.76,(3)6.4熔点mp153-159°C氯chloride(Cl-):≤5ppm草酸盐oxalate(C2O42-):≤500ppm磷酸盐phosphate(PO43-):≤5ppm***根sulfate(SO42-):≤20ppmCa:≤10ppmCd:≤5ppmCo:≤5ppmCr:≤5ppmCu:≤5ppmFe:≤3ppmK:≤50ppmMg:≤5ppmMn:≤5ppmNa:≤50ppmNi:≤5ppm贮存用途同柠檬酸。联合国编号Risk:R41-Safety:S26-S39-Hazard:Xi-)