聚氧乙烯月桂醚

項目                                     高純級
                                    (High Purity Grade)
外觀Appearance                          白色蠟狀小球或塊狀物
紅外光譜鑒定Infrared spectrometry       和對照品匹配
水分Water                               <1 %
羥值Hydroxyl value                      40 - 60 mg KOH/g
酸值Acid value                          <5 mg KOH/g
游離二氧六環free dioxane:               < 5 ppm
游離環氧乙烷free ethyleneoxide:         < 1 ppm
備注: 未加抗氧劑

Brij-35:

項目                                    組織培養級
                                     (Proteomics Grade)
外觀Appearance                          白色蠟狀小球或塊狀物
紅外光譜鑒定Infrared spectrometry       和對照品匹配
水分Water                               <1 %
羥值Hydroxyl value                      40 - 60 mg KOH/g
酸值Acid value                          <5 mg KOH/g
游離二氧六環free dioxane:               < 5 ppm
游離環氧乙烷free ethyleneoxide:         < 1 ppm
蛋白酶 Protease                          無

備注: 未加抗氧劑

Brij-30:

項目                                     高純級
                                    (High Purity Grade)
外觀Appearance                          無色至淺黃色液體
紅外光譜鑒定Infrared spectrometry       和對照品匹配
水分Water                               <1 %
羥值Hydroxyl value                      145 - 165 mg KOH/g
酸值Acid value                          <2 mg KOH/g
折光率 Refractive index                 1.4510 - 1.4530 (20°C, 589 nm)
游離二氧六環free dioxane:               < 5 ppm
游離環氧乙烷free ethyleneoxide:         < 1 ppm
備注: 未加抗氧劑