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- 质量标准
项目Item 分析纯 化学纯
(AR) (CP)
含量(C3H5NO)Assay,%≥ 99.0 99.0
熔点范围Melting renge,℃ 83.0-85.0 83.0-85.0
溶解度试验Clarity 合格 合格
硫酸盐(SO4)Sulfate,% ≤0.01 0.05
灼烧残渣(以硫酸盐计)Ignition residue,% ≤0.020.05
铁(Fe)Iron,% ≤0.00050.001
项目 超纯级 蛋白组学级
(Extra pure) (Proteomics Grade)
电导率Conductivity (40%, Water)(umhos) ≤5 ≤5
DNA酶DNase(P/F)NONENONE
电泳实验Electrophoresis(P/F) 合格
游离丙烯酸Free Acrylic Acid(%) ≤0.001 ≤0.001
鉴定试验Identification(P/F)合格合格
不溶物Insolubles(%)≤0.005 ≤0.005
铁Iron(%)≤0.0001≤0.0001
铅Lead(%)≤0.0001≤0.0001
镁Magnesium(%) ≤0.0001≤0.0001
熔点Melting Point(Degrees C) 84-86 84-86
水分Moisture (KF)(%) ≤0.2 ≤0.2
pH (10%, 0.1M NaCl) @25C 5.5-6.5 5.5-6.5
蛋白酶Protease(P/F)NONENONE
纯度Purity(%)>99.9 >99.9
RNA酶RNase(P/F)NONENONE
品级Grade 电泳专用级
(for electrophoresis, ≥99%)
外观Appearance白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity≥99.0% (HPLC)
水溶解试验solubility in water 2.5 g + 10 mL H2O
电泳试验Suitability Pass
(for use in electrophoresis)
铁Iron (Fe) ≤1 ppm
镁Magnesium ≤3 ppm
不溶物Insoluble matter≤0.005 %
电导率 Conductivity ≤10 umhos/cm
(35% solution)
重金属Heavy Metals (as Lead)≤5 ppm
酸Titratable acid ≤0.005 %
(as acrylic acid)
贮存:密封阴凉避光保存。
用途:制备聚丙烯酰胺凝胶,供电泳测定蛋白质分子量等。絮凝剂, 土壤稳定剂,增强纸张强度,改进纤维质量,粘结剂。
无色薄片结晶。对光敏感,放阴暗处较稳定,在熔点时或紫外光照射下易聚合。
密度:1.122
熔点:82-86 °C
沸点:125 °C/25 mmHg
闪点:138 °C