TRIS也稱Tris Base、氨丁三醇或三(羥甲基)氨基甲烷,是一種兩性離子生物緩沖液,通常用作生物和生化研究中的緩沖劑。
TRIS Buffer
純度: ≥ 99%~100.5%
CAS No: 77-86-1
規(guī)格:10kg
符合:USP,EP,BP,ChP,JPC
CDE登記號:F20200000475(I)
檢測 | 參數(shù) | 檢測 | 參數(shù) |
UV(Abs)-A260nm (10% in H2O) | ≤ 0.03 | 氯-(ppm) | ≤ 10 |
UV(Abs)-A280nm (10% in H2O) | ≤ 0.02 | 殘留溶劑-甲醇(%) | ≤ 0.3000 |
UV(Abs)-A290nm (40% in H2O) | ≤ 0.10 | 溶解度,3.3% in Alcohol | 澄清 |
UV(Abs)-A430nm (10% in H2O) | ≤ 0.004 | 溶解度,10% in H2O (JPC) | 澄清 |
不溶物-(%) | ≤ 0.005 | 溶解度,5% in H2O | 澄清 |
LOD(%)-105°C, 3hrs | ≤ 0.5 | 灰分(%)-ROI | ≤ 0.10 |
LOD(%)-105°C, 40 mins | ≤ 0.5 | 熔點(diǎn) | 168-172°C |
LOD(%)-80°C in vaccum | ≤ 0.6 | 純度 (Titration, dried basis) | 99.0%-100.5% |
元素-Fe (ppm) | ≤ 5.0 | pH-5% in H2O | 10.0-11.5 |
元素-Ni (ppm) | ≤ 15.0 | pH-1% aq soln(JPC) | 10.3-10.7 |
元素-As (ppm) (JPC) | ≤ 1.6 | 重金屬-(ppm) ICH Q3D | 根據(jù)報(bào)告 |
內(nèi)毒素(EU/mg) | ≤ 0.03 | 重金屬-(ppm) as Pb (JPC) | ≤ 8 |
外觀 | 白色結(jié)晶粉末 | 鑒別,EP (B,C) (TRIS) | 通過 |
生物負(fù)荷(CFU/g) | ≤ 1000 | 鑒別,ChP (1,2) | 通過 |
酵母和霉菌(CFU/g) | ≤ 100.00 | 鑒別,USP (A,B,C) (TRIS) | 通過 |
有關(guān)物質(zhì),TLC(%) | ≤ 1.0 | 鑒別,JPC (1,2) (TRIS) | 通過 |