48287 2-环己胺基乙磺酸 ≥99.5% (T) 25g 196
48288 2-环己胺基乙磺酸 ≥99.5% (T) 100g 688
48289 2-环己胺基乙磺酸 ≥99.0% (T) 25g 80
48290 2-环己胺基乙磺酸 ≥99.0% (T) 100g 180
48291 2-环己胺基乙磺酸 ≥99.0% (T) 500g 620
白色结晶粉末。 熔点：≥300℃ pH range 8.6 - 10.0 pKa (25 °C) 9.3
≥99.0% (T)： 外观appearance white crystalline powder 水溶性solubility clear colorless solution at 15g plus 85ml of water 红外光谱Infrared spectrometry Conforms to Structure 水分water by karl fischer ≤ 1% 紫外吸收uv absorbance ≤ 0.05 at 290nm (15% w/w) 重金属heavy metals ≤ 5 ppm (as lead) 纯度purity by NaOH titration ≥ 99% note * (anhydrous basis) ≥99.5% (T)： 外观appearance white crystalline powder 红外光谱Infrared spectrometry Conforms to Structure 纯度Purity ≥99.5% (T) insoluble matter, passes filter test ign. residue ≤0.05% loss on drying, 110 °C ≤0.5% pH 3.0-5.0 (25 °C, 0.5 M in H2O) useful pH range 8.6 - 10.0 pKa (25 °C) 9.3 水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless 氯chloride (Cl-): ≤50 ppm sulfate (SO42-): ≤500 ppm Al: ≤5 ppm As: ≤0.1 ppm Ba: ≤5 ppm Bi: ≤5 ppm Ca: ≤10 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 0.5 M in H2O UV absorption λ: 260 nm A: ≤0.08 λ: 280 nm A: ≤0.05

生物研究用Good's缓冲液中的成分