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關于氣體濃度mg/m3和ppm的關系及換算

文章出處:南京艾伊科技有限公司 人氣:-發表時間:2019-07-16 14:14:00

DUIHUANJINGDAQI(KONGQI)ZHONGWURANWUNONGDUDEBIAOSHIFANGFAYOULIANGZHONG:

1、質量濃度表示法:每立方米空氣中所含污染物的質量數,即mg/m

2、TIJINONGDUBIAOSHIFA:YIBAIWANTIJIDEKONGQIZHONGSUOHANWURANWUDETIJISHU,JIppm 

YONGMEILIFANGMIDAQIZHONGWURANWUDEZHILIANGSHULAIBIAOSHIDENONGDUJIAOZHILIANG-TIJINONGDU,DANWEISHIHAOKE/LIFANGMI HUOKE/LIFANGMI。DABUFENYANQIZAIXIANJIANCEXITONGCEDEDEQITINONGDUDOUSHITIJINONGDU(ppm).ERANWOGUOGUIDING,TEBIESHIHUANBAOBUMEN,ZEYAOQIUQITINONGDUYIZHILIANGNONGDUDEDANWEI(RU:mg/m3)BIAOSHI,WOMENGUOJIADEBIAOZHUNGUIFANYEDOUSHICAIYONGZHILIANGNONGDUDANWEI(RU:mg/m3)BIAOSHI.

     ZHELIANGZHONGQITINONGDUDANWEImg/m3YUppmYOUHEGUANXINI?LIANGZHEYOUSHIZENMEHUANSUANDENI?

     SHIYONGZHILIANGNONGDUDANWEI(mg/m3)ZUOWEIKONGQIWURANWUNONGDUDEBIAOSHIFANGFA,KEYIFANGBIANJISUANCHUWURANWUDEZHENZHENGLIANG.DANZHILIANGNONGDUYUJIANCEQITIDEWENDU、YALIHUANJINGTIAOJIANYOUGUAN,QISHUZHIHUISUIZHUWENDU、QIYADENGHUANJINGTIAOJIANDEBIANHUAERBUTONG;SHIJICELIANGSHIXUYAOTONGSHICEDINGQITIDEWENDUHEDAQIYALI.ERZAISHIYONGppmZUOWEIMIAOSHUWURANWUNONGDUSHI,YOUYUCAIQUDESHITIJIBI,BUHUICHUXIANZHEGEWENTI.

欢乐生肖     NONGDUDANWEIppmYUmg/m3DEHUANSUAN:ANXIASHIJISUAN:

     質量濃度mg/m3=M氣體分子量/22.4*ppm數值*[273/(273+T氣體溫度)]*(Ba壓力/101325)如果濕度很大時,例如在100%相對濕度下,還需另外一項.氣體分子量。

欢乐生肖SHIZHONG:M — QITIFENZILIANG,

            T — WENDU

          Ba — YALI


QITINONGDUDUIDAQIZHONGDEWURANWU,CHANGJIANTIJINONGDUHEZHILIANG-TIJINONGDULAIBIAOSHIQIZAIDAQIZHONGDEHANLIANG。

1、TIJINONGDU

TIJINONGDUSHIYONGMEILIFANGMIDEDAQIZHONGHANYOUWURANWUDETIJISHU(LIFANGLIMI)HUO(ml/m3)LAIBIAOSHI,CHANGYONGDEBIAOSHIFANGFASHIppm,JI1ppm=1LIFANGLIMI/LIFANGMI=10-6。CHUppmWAI,HUANYOUppbHEppt,TAMENZHIJIANDEGUANXISHI:

1ppm=10-6 = YIBAIWANFENZHIYI,

欢乐生肖1ppb=10-9 = SHIYIFENZHIYI ,

欢乐生肖1ppt=10-12 = WANYIFENZHIYI,

欢乐生肖1ppm=103ppb=106ppt

2、ZHILIANG-TIJINONGDU

YONGMEILIFANGMIDAQIZHONGWURANWUDEZHILIANGSHULAIBIAOSHIDENONGDUJIAOZHILIANG-TIJINONGDU,DANWEISHIHAOKE/LIFANGMI HUOKE/LIFANGMI。

TAYUppmDEHUANSUANGUANXISHI:

X=M·C/22.4

C=22.4X/M

欢乐生肖SHIZHONG: X—WURANWUYIMEIBIAOLIFANGMIDEHAOKESHUBIAOSHIDENONGDUZHI;

欢乐生肖           C—WURANWUYIppmBIAOSHIDENONGDUZHI;

欢乐生肖          M—WURANWUDEFENZHIZILIANG。

   注:這個公式為常用的速算公式對于氣體探測來說,速算公式的計算結果基本滿足使用要求。mg/m3與ppm的關系及換算公式



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此文關鍵字:氣體檢測分析儀,粉塵檢測儀,氣體檢測報警儀,氧含量分析儀,可燃氣體檢測儀