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关于气体浓度mg/m3和ppm的关系及换算

文章出处:南京艾伊科技有限公司 人气:-发表时间:2019-07-16 14:14:00

澳门足彩DUIHUANJINGDAQI(KONGQI)ZHONGWURANWUNONGDUDEBIAOSHIFANGFAYOULIANGZHONG:

1、质量浓度表示法:每立方米空气中所含污染物的质量数,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.

     ZHEILIANGZHONGQITINONGDUDANWEImg/m3YUppmYOUHEGUANXINI?LIANGZHEYOUSHIZENMEHUANSUANDENI?

澳门足彩     SHIYONGZHILIANGNONGDUDANWEI(mg/m3)ZUOWEIKONGQIWURANWUNONGDUDEBIAOSHIFANGFA,KEYIFANGBIANJISUANCHUWURANWUDEZHENZHENGLIANG.DANZHILIANGNONGDUYUJIANCEQITIDEWENDU、YALIHUANJINGTIAOJIANYOUGUAN,QISHUZHIHUISUIZHEWENDU、QIYADENGHUANJINGTIAOJIANDEBIANHUAERBUTONG;SHIJICELIANGSHIXUYAOTONGSHICEDINGQITIDEWENDUHEDAQIYALI.ERZAISHIYONGppmZUOWEIMIAOSHUWURANWUNONGDUSHI,YOUYUCAIQUDESHITIJIBI,BUHUICHUXIANZHEIGEWENTI.

澳门足彩     NONGDUDANWEIppmYUmg/m3DEHUANSUAN:ANXIASHIJISUAN:

     质量浓度mg/m3=M气体分子量/22.4*ppm数值*[273/(273+T气体温度)]*(Ba压力/101325)如果湿度很大时,例如在100%相对湿度下,还需另外一项.气体分子量。

澳门足彩SHIZHONG:M — QITIFENZILIANG,

            T — WENDU

澳门足彩          Ba — YALI


QITINONGDUDUIDAQIZHONGDEWURANWU,CHANGJIANTIJINONGDUHEZHILIANG-TIJINONGDULAIBIAOSHIQIZAIDAQIZHONGDEHANLIANG。

1、TIJINONGDU

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

澳门足彩1ppm=10-6 = YIBAIWANFENZHIYI,

1ppb=10-9 = SHIYIFENZHIYI ,

1ppt=10-12 = WANYIFENZHIYI,

1ppm=103ppb=106ppt

2、ZHILIANG-TIJINONGDU

YONGMEILIFANGMIDAQIZHONGWURANWUDEZHILIANGSHULAIBIAOSHIDENONGDUJIAOZHILIANG-TIJINONGDU,DANWEISHIHAOKE/LIFANGMI HUOKE/LIFANGMI。

TAYUppmDEHUANSUANGUANXISHI:

X=M·C/22.4

C=22.4X/M

SHIZHONG: X—WURANWUYIMEIBIAOLIFANGMIDEHAOKESHUBIAOSHIDENONGDUZHI;

           C—WURANWUYIppmBIAOSHIDENONGDUZHI;

          M—WURANWUDEFENZHIZILIANG。

   注:这个公式为常用的速算公式对于气体探测来说,速算公式的计算结果基本满足使用要求。mg/m3与ppm的关系及换算公式



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此文关键字:气体检测分析仪,粉尘检测仪,气体检测报警仪,氧含量分析仪,可燃气体检测仪