The control of crystal morphologyis crucial to preparation of α-hemihydrategypsum(α-HH).α-HH was prepared from phosph......

目的建立电喷雾-离子迁移谱(ESI-IMS)快速筛查淀粉中顺丁烯二酸的检测方法。方法样品经80%甲醇水溶液超声提取,稀释定容后经0.22μ......

目的建立用高效液相色谱法同时测定面制品中的顺丁烯二酸和富马酸含量。方法样品经50 ml 10%甲醇-水萃取,离心后,水层过0.45μm滤......