48261 吗啉乙磺酸 ≥99% (T),water≤1.0% 50g 773
48262 吗啉乙磺酸 ≥99% (T),water≤1.0% 250g 2650
48263 吗啉乙磺酸 ≥99.5% (T) 25g 195
48264 吗啉乙磺酸 ≥99.5% (T) 100g 695
48265 吗啉乙磺酸 ≥99.5% (T) 500g 2550
48266 吗啉乙磺酸 for plant cell culture, ≥99.5% 25g 228
48267 吗啉乙磺酸 for plant cell culture, ≥99.5% 100g 273
48268 吗啉乙磺酸 for plant cell culture, ≥99.5% 500g 1060
48269 吗啉乙磺酸 for molecular biology，≥99.5% (T) 10g 295
48270 吗啉乙磺酸 for molecular biology，≥99.5% (T) 50g 1283
48271 吗啉乙磺酸 for molecular biology，≥99.5% (T) 250g 4580
48272 吗啉乙磺酸 99% 25g 137
48273 吗啉乙磺酸 99% 100g 395
48274 吗啉乙磺酸 99% 500g 1287
白色结晶粉末。 pH range 5.5 - 6.7 pKa 6.1 熔点: 316 °C
≥99.0% (T)： 纯度Purity(Titration by NAOH) ≥99.0% (T) 水分Water (by Karl Fischer) ≤9% useful pH range 5.5 - 6.7 solubility H2O: soluble0.5 M at 20 °C, clear anion traces chloride (Cl-): ≤50 ppm sulfate (SO42-): ≤50 ppm cation traces Ca: ≤50 ppm Cd: ≤5 ppm Co: ≤5 ppm Cr: ≤5 ppm Cu: ≤5 ppm Fe: ≤5 ppm K: ≤50 ppm Mg: ≤5 ppm Mn: ≤5 ppm Na: ≤50 ppm Ni: ≤5 ppm Pb: ≤5 ppm Zn: ≤5 ppm ≥99.5% (T)： 外观Appearance White Crystalline Powder 纯度Purity(Titration by NAOH) ≥99.5 % Anhydrous 水分Water (by Karl Fischer) ≤5% 灼烧残渣ign. residue (900 °C) ≤0.05% (as SO4) pH 2.5-4.0 (25 °C, 0.5 M in H2O) useful pH range 5.5 - 6.7 pKa (25 °C) 6.1 水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless 氯chloride (Cl-): ≤50 ppm 硫酸根sulfate (SO42-): ≤50 ppm cation traces Al: ≤5 ppm As: ≤0.1 ppm Ba: ≤5 ppm Bi: ≤5 ppm Ca: ≤20 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: ≤0.025 λ: 280 nm A: ≤0.020 品级Grade 分子生物学级，≥99.5% (T) (for molecular biology，≥99.5% (T)) 外观Appearance White Crystalline Powder 纯度Purity(Titration by NAOH) ≥99.5 % Anhydrous 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 灼烧残渣ign. residue (900 °C) ≤0.05% (as SO4) pH 2.5-4.0 (25 °C, 0.5 M in H2O) useful pH range 5.5 - 6.7 pKa (25 °C) 6.1 水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless 氯chloride (Cl-): ≤50 ppm 硫酸根sulfate (SO42-): ≤50 ppm cation traces Al: ≤5 ppm As: ≤0.1 ppm Ba: ≤5 ppm Bi: ≤5 ppm Ca: ≤20 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: ≤0.025 λ: 280 nm A: ≤0.020 品级Grade 植物细胞培养级 (for plant cell culture, ≥99.5%) 外观Appearance White Crystalline Powder 纯度Purity(Titration by NAOH) ≥99.5 % 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 Anhydrous 水分Water (by Karl Fischer) ≤5 % 灼烧残渣ign. residue (900 °C) ≤0.05% (as SO4) pH 2.5-4.0 (25 °C, 0.5 M in H2O) useful pH range 5.5 - 6.7 pKa (25 °C) 6.1 水溶性solubility H2O: soluble0.5 M at 20 °C, clear, colorless 内毒素Endotoxin Level ≤0.1 EU/mg 总好氧微生物计数Total Aerobic Microbial Count ≤100 CFU/g 植物细胞培养试验Plant Cell Culture Test Pass ≥99% (T),水分≤1.0%： （≥99% (T),water≤1.0% ） 外观appearance white powder 水溶性solubility clear colorless solution at 20 g plus 80 ml of water 红外光谱鉴别Infrared spectrometry Conforms to Structure 纯度purity by TITRATION WITH NAOH ≥99.0%(anhydrous basis) 水分water by karl fischer ≤1.0% 紫外吸收uv absorbance ≤ 0.05 at 290nm (20%w/w) 重金属heavy metals ≤5 ppm (as lead)

生物缓冲剂，用在生化诊断试剂盒、DNA/RNA提取试剂盒及PCR诊断试剂盒里。