Name | Specifications | Packing | Price | Delivery |
HEPES sodium salt | 超纯级 99.5% | 25g | RMB 220 | Consulting service |
HEPES sodium salt | 99% | 100g | RMB 220 | Consulting service |
HEPES sodium salt | 99% | 25g | RMB 126.5 | Consulting service |
项目 超纯级
纯度assay ≥99.5%(T)
水分Moistrue ≤3%
氯Chloride ≤0.05%
硫酸根Sulfate ≤0.05%
重金属Heavy Metals (as Pb) <5PPM
pH(1%;H2O) 4.7-6.0
A260(1M,water): ≤0.2
A280(1M,water): ≤0.2
品级Grade 细胞培养级
( for cell culture, ≥99.5% (T))
外观Appearance 白色粉末
红外光谱鉴别Infrared spectrometry Conforms
纯度Purity ≥99.5% (titration)
水溶解试验solubility in water CLEAR COLORLESS,500MG/ML IN WATER
水分water ≤3%(K.F)
铁Fe: ≤5 ppm
重金属heavy metals (as Pb): ≤5 ppm
紫外吸光度UV ABSORBANCE
290nm,A ≤0.05(33%W/W)
260nm,A ≤0.05 (0.1M H2O)
280nm,A ≤0.05(0.1MH2O)
DNase, RNase, protease, none detected
内毒素Endotoxin ≤ 0.1 EU/MG
平板计数Standard plate count ≤ 100 CFU/G
细胞培养测试Cell culture test Pass
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