This section identifies changes that were made to this document since the last release. Changes are classified as Major, Minor, or None. The revision class Major means that the technical content in the document was significantly revised. Major changes affect protocol interoperability or implementation...
型号 CW617N-4MS 价格说明 价格:商品在爱采购的展示标价,具体的成交价格可能因商品参加活动等情况发生变化,也可能随着购买数量不同或所选规格不同而发生变化,如用户与商家线下达成协议,以线下协议的结算价格为准,如用户在爱采购上完成线上购买,则最终以订单结算页价格为准。 抢购价:商品参与营销活动的活动价格...
样品用熔点管(也可用0.5mm的毛细管多点几次)在小板点成带状,展开,在UV下画出各个组分的色带,用刮刀刮下a、b、c三个纯点色带,分别碾碎,放进离心管,加入少量溶剂,振荡,过滤后,直接LCMS送样,由于样品较稀,可以适当增加进样量。根据MS检测出哪个点可能是...