19347 氯化铯 ≥99.999% metals basis 50g 1176
19348 氯化铯 ≥99.999% metals basis 10g 290
19359 氯化铯 for molecular biology, ≥99.5% (AT) 100g 488
19363 氯化铯 for molecular biology, ≥99.5% (AT) 25g 246
19367 氯化铯 99.9% metals basis 500g 2266
19371 氯化铯 99.9% metals basis 100g 590
19378 氯化铯 99.9% metals basis 25g 197
19380 氯化铯 optical grade, ≥99.5% 500g 2566
19381 氯化铯 optical grade, ≥99.5% 100g 686
19383 氯化铯 optical grade, ≥99.5% 25g 195
19391 氯化铯 99.99% metals basis 100g 990
19395 氯化铯 99.99% metals basis 25g 281
19401 氯化铯 氯化铯 AR 100g 196
19404 氯化铯 氯化铯 AR 500g 790
19405 氯化铯 氯化铯 AR 25g 75
19406 氯化铯 99.99% metals basis 5g 89
19407 氯化铯 SP 5g 106
白色粉状结晶,易潮解,易溶于水,能溶于醇,不溶于丙酮. 密封干燥保存，1290℃升华。 熔点：646℃ 沸点：1303℃
项目Item　　　　　　　　　　 分析纯　　 化学纯 (AR) (CP) 含量(CsCl)Assay,%　　　 ≥99.5 99.0 澄清度试验Clarity 合格 合格 水溶液反应Water solution reaction 合格 合格 甲醇溶解试验Solubility in methanol 合格 合格 硫酸盐(SO 4 )Sulfate,% ≤0.01 0.05 硝酸盐(NO 3 )Nitrate,% ≤0.004 0.02 铵盐(NH 4 )Ammonium,% ≤0.004 0.02 钠(Na)Sodium,% ≤0.02 0.10 镁(Mg)Magnesium,% ≤0.01 0.02 铝(Al)Aluminum,% ≤0.005 0.02 钙(Ca)Calcium,% ≤0.01 0.03 铁(Fe)Iron,% ≤0.0002 0.002 重金属(以Pb计)Heavy metals,% ≤0.001 0.005 品级Grade 光谱级 (optical grade, ≥99.5%) 外观Appearance White Powder 红外光谱鉴别Infrared spectrometry Conforms to Structure 金属纯度metal purity ≥99.5% 水溶解试验solubility in water clear colorless ， 1mg/ml in water 水分Water (by Karl Fischer) ≤3% 紫外吸收UV absorbance (50% in water) ≤ 0.02 at 280nm 硫酸根sulfate ≤ 500 ppm 99.9% metals basis: 外观Appearance White Crystals, Beads or Chunks X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.9% Based on Trace Metals Impurities of ICP 氯Cl(Titration by AgNO3) 20.8 - 21.3 % 痕量金属分析total metallic impurities ≤2000ppm by ICP Atomic emission (Rb、K、Na、Li、Al、Ba、Ca、Cr、Cu、Fe、Mg、Mn、Ni、Pb、Si) 99.99% metals basis: 外观Appearance White Crystals, Beads X-射线衍射分析X-Ray Diffraction Conforms to Structure 纯度Purity ≥99.99% Based on Trace Metals Impurities of ICP 氯Cl(Titration by AgNO3) 20.8 - 21.3 % 痕量金属分析total metallic impurities ≤200ppm by ICP Atomic emission ≥99.999% metals basis： 外观Appearance White Crystalline Powder X-射线衍射分析X-Ray Diffraction Conforms to Structure ICP: Confirms Cesium Component Confirmed 氯Cl(Titration by AgNO3) 20.8 - 21.4 % 痕量金属分析Trace Metal Analysis ≤20.0 ppm (Li、Rb、Ag、Al) 品级Grade 分子生物学级 (for molecular biology, ≥99.5% (AT)） 纯度Purity ≥99.5% (AT) DNA酶DNases, none detected RND酶RNases, none detected 不溶物insoluble matter, passes filter test 磷酸酶phosphatases, none detected 蛋白酶proteases, none detected 总氮total nitrogen (N) ≤0.001% 干燥损失loss on drying, 110 °C ≤0.1% pH 6.0-7.5 (25 °C, 3 M in H2O) 水溶性solubility H2O: soluble3 M at 20 °C, clear, colorless 硫酸根sulfate (SO42-): ≤20 ppm 阳离子cation traces by ICP Atomic emission Al: ≤5 ppm As: ≤0.1 ppm Ba: ≤5 ppm Bi: ≤5 ppm Ca: ≤50 ppm Cd: ≤5 ppm Co: ≤5 ppm Cr: ≤5 ppm Cu: ≤5 ppm Fe: ≤5 ppm K: ≤50 ppm Li: ≤5 ppm Mg: ≤5 ppm Mn: ≤5 ppm Mo: ≤5 ppm Na: ≤50 ppm Ni: ≤5 ppm Pb: ≤5 ppm Sr: ≤5 ppm Zn: ≤5 ppm λ 3 M in H2O UV absorption λ: 260 nm A: ≤0.02 λ: 280 nm A: ≤0.02
联合国编号 Risk： R68- Safety : S36/37 - Hazard : Xn -
点滴分析三价铬和镓，无线电、电视机真空管*的抽成真空，X射线荧光屏，无线电反衬介质,制取金属铯和含铯单晶的原料。气相色谱固定液(*使用450℃，溶剂为水)，用于高温色谱分析二联苯、三联苯。