编号名称CAS号规格订购
D265889石蕊(Litmus)1393-92-6IND, 25g订购
D265911磷酸根标液(Phosphate standard)7558-79-45ppm, 2.5L/桶订购
D266013曙红Y,水溶(Eosin Y(water soluble))17372-87-1IND, 25g订购
D265887试亚铁灵,指示液(Ferroin indicator solution)14634-91-4500ml(玻瓶)订购
D265898EDTA二钠标液(EDTA two sodium standard solution)139-33-30.02mol/L, 500ml(白玻)订购
D265960紫脲酸铵(Murexide)3051-09-0IND, 25g订购
D265935硫代硫酸钠标液(Sodium thiosulfate standard)7772-98-70.02mol/L, 500ml(白玻)订购
D265924镍标液(Nickel Standard)7440-02-01mg/ml, 100ml(塑瓶)订购
D266017卡尔费休NSK-C02,无吡啶有无隔膜通用(Karl Fischer)807540-02-3特规, 500ml(玻瓶)订购
D265939硫代硫酸钠标液(Sodium thiosulfate standard)7772-98-70.1mol/L, 100ml(塑瓶)订购
D265955PH缓冲液(PH Buffer Standard Solution)PH=7, 500ml订购
D265975溴甲酚绿钠(Bromocresol green sodium salt)62625-32-5IND, 5g订购
D265973柱层层析硅胶,60~100目(Silica gel for C.C)112926-00-8特规, 250g订购
D265980PH缓冲液(PH Buffer Standard Solution)PH=6.86, 100ml订购
D265914氯化钾标液(Potassium chloride Standard)7447-40-73mol/L, 500ml(白玻)订购
D265906碘标液(Iodine Standard standard)7553-56-20.1mol/L, 500ml(玻瓶)订购
D265917重铬酸钾标液(Potassium dichromate solution)7778-50-90.5mol/L, 500ml(玻瓶)订购
D265969钙羧酸钠()IND, 25g订购
D265871二甲基黄(Dimethyl yellow)1960/11/7IND, 25g订购
105776双酚A0GR,>99.0%(GC)25g订购