中文名:羟乙基纤维素英文名:Hydroxyethyl Cellulose纯度:100~200mpa.s,25℃ ,Cu<30ppm,Fe<30ppm,Zn<30ppm,Ca<100ppm货号:H489063Cas号:9004-62-0存储温度:干燥产品介绍:Hydroxyethyl-cellulose is a network-forming polymer......
中文名:乙酸钾英文名:Potassium acetate纯度:≥99.98% metals basis, Rb<100 ppm,Cs<50 ppm货号:P108327Cas号:127-08-2存储温度:室温,干燥产品介绍:易吸湿。易溶于水和乙醇(1g溶于0.5ml水、0.2ml沸水、2.9ml乙醇)。水溶液对石蕊呈碱性反应。0.1mol/L水溶液的pH为9.......