houshijishiconghoudexueyezhongtiqudedongganshiji。ningjiaofashiyunyonghoushijihuiyuxijunneidusufashengningjifanyingzheyitexinglaipanduangongshipinzhongneidusuhanliangdefangfa。fanyingdesuduyijifanyingzhongdianshiningjiaodejianguchengduyuneidusudenongduyouguan。yaodianshoululedingxingyijibandingliangdeliangzhongningjiaofa。qianzheyoumingningjiaoxiandushiyan，tongguojianggongshipinrongyeyujiaruneidusubiaozhunpindegongshipinrongye/檢查用水的陽性對照以及未加入內毒素的檢查用水陰性對照反應結果相比較來定性地判斷供試品是否符合規定（即是否含有內毒素）。凝ning膠jiao半ban定ding量liang實shi驗yan則ze是shi在zai完wan成cheng內nei毒du素su標biao準zhun品pin的de靈ling敏min度du複fu核he試shi驗yan及ji供gong試shi品pin幹gan擾rao試shi驗yan後hou將jiang供gong試shi品pin溶rong液ye梯ti度du稀xi釋shi
，將jiang每mei一yi稀xi釋shi係xi列lie中zhong陽yang性xing結jie果guo平ping行xing管guan的de稀xi釋shi倍bei數shu乘cheng以yi鱟hou試shi劑ji的de靈ling敏min度du濃nong度du
，為wei每mei個ge係xi列lie的de反fan應ying終zhong點dian濃nong度du。如ru果guo檢jian驗yan的de是shi經jing稀xi釋shi的de供gong試shi品pin，則ze將jiang終zhong點dian濃nong度du乘cheng以yi供gong試shi品pin進jin行xing半ban定ding量liang試shi驗yan的de初chu始shi稀xi釋shi倍bei數shu，即ji得de到dao每mei一yi係xi列lie內nei毒du素su濃nong度du。每mei⼀係列內毒素濃度的幾何平均值即為供試品溶液的內毒素濃度。若每一係列內毒素濃度均小於規定的限值，判定供試品符合規定。

凝膠法結果判定方法：將試管從恒溫器中輕輕取出，緩緩倒轉180°，若管內形成凝膠
，並且凝膠不變形、不從管壁滑脫者為陽性;未形成凝膠或形成的凝膠不堅實、變形並從管壁滑脫者為陰性。保溫和拿取試管過程應避免受到振動，造成假陰性結果。