锟节氾拷锟絯锟絲锟統锟絰锟斤拷锟叫ｏ拷PPM锟斤拷位锟斤拷锟紽(xi锟斤拷n)锟斤拷锟絣锟绞非筹拷锟斤拷锟斤拷锟杰讹拷锟斤拷锟絯锟絲锟統锟斤拷锟斤拷使锟斤拷PPM锟斤拷位锟斤拷锟斤拷锟斤拷锟紷些锟斤拷锟絯一锟姐都锟斤拷锟叫讹拷锟斤拷锟絯锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷碳锟斤拷锟津化氾拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷VOC锟斤拷锟斤拷
锟斤拷么锟斤拷锟斤拷什么锟斤拷PPM锟斤拷位锟斤拷锟斤拷
PPM锟斤拷锟絯锟絜锟饺濓拷龋锟�Parts per million 锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟絴(zh锟斤拷)锟斤拷占全锟斤拷锟斤拷液锟絴(zh锟斤拷)锟斤拷锟侥帮拷锟絝锟街比侊拷锟斤拷示锟侥濓拷锟�锟斤拷也锟絈锟斤拷锟絝锟街比濓拷龋锟斤拷c之锟斤拷锟狡碉拷還锟斤拷ppb锟斤拷parts per billion锟斤拷锟斤拷锟斤拷锟节氾拷锟絯锟斤拷ppm一锟斤拷指摩锟斤拷锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷锟絯锟絜锟斤拷?j锟斤拷n)?sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷液锟斤拷ppm一锟斤拷指锟絴(zh锟斤拷)锟斤拷锟斤拷锟�锟斤拷
锟斤拷锟揭囷拷锟侥橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)規(gu锟斤拷)锟斤拷锟叫讹拷锟斤拷使锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷葐锟轿伙拷锟斤拷纾�mg/m3锟斤拷锟斤拷锟斤拷示锟斤拷锟絯锟斤拷锟�锟斤拷锟斤拷锟絜锟角環(hu锟斤拷n)锟斤拷锟斤拷锟絋锟斤拷锟斤拷要锟斤拷锟斤拷w锟斤拷锟斤拷锟斤拷|(zh锟斤拷)锟斤拷锟斤拷鹊膯锟轿伙拷锟斤拷纾�mg/m3锟斤拷锟斤拷示锟斤拷
锟揭傦拷锟斤拷知锟斤拷锟斤拷锟叫讹拷锟斤拷锟絯锟斤拷锟斤拷锟絯锟斤拷危锟斤拷锟角筹拷锟斤拷锟斤拷锟杰讹拷锟絩(sh锟斤拷)锟斤拷諝锟斤拷锟斤拷锟斤拷锟矫匆伙拷锟斤拷c(di锟斤拷n)锟斤拷锟斤拷锟叫匡拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟截ｏ拷锟斤拷锟斤拷锟斤拷锟斤拷冒俜直葋锟斤拷锟绞撅拷卸锟斤拷锟斤拷w锟节空氾拷锟叫的猴拷锟斤拷锟角诧拷锟津精滐拷(zh锟斤拷n)锟斤拷锟斤拷锟斤拷锟叫匡拷锟斤拷锟斤拷?y锟斤拷n)锟斤拷`锟斤拷锟斤拷锟�(d锟斤拷o)锟铰革拷锟斤拷锟剿的傦拷锟斤拷锟斤拷锟斤拷PPM锟斤拷锟絖锟斤拷锟斤拷锟絝锟斤拷之一锟斤拷要锟饺百凤拷?j锟斤拷n)?sh锟斤拷)锟缴匡拷锟侥讹拷锟斤拷
锟絯锟絜锟斤拷缺锟绞撅拷锟斤拷锟�指锟斤拷锟斤拷一锟斤拷锟絝锟絯锟絜锟侥空氾拷锟斤拷锟斤拷锟斤拷锟斤拷染锟斤拷锟斤拷w锟絜锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷ppm锟斤拷示锟斤拷锟斤拷1ppm锟斤拷1锟斤拷锟斤拷锟斤拷锟阶ｏ拷cm3锟斤拷/锟斤拷锟斤拷锟阶ｏ拷m3锟斤拷=10-6锟斤拷锟襟部分氾拷锟絯锟絲锟統锟絰锟斤拷锟統锟矫的氾拷锟絯锟斤拷榷锟斤拷锟斤拷w锟絜锟斤拷龋锟�ppm锟斤拷锟斤拷锟斤拷5ppm一锟斤拷锟斤拷碳指锟斤拷锟角空氾拷锟叫猴拷锟叫帮拷锟絝锟斤拷之5锟斤拷一锟斤拷锟斤拷碳锟斤拷
锟絴(zh锟斤拷)锟斤拷锟絯锟絜锟斤拷缺锟绞撅拷锟斤拷锟�每锟斤拷锟斤拷锟阶空氾拷锟斤拷锟斤拷锟斤拷锟斤拷染锟斤拷锟斤拷|(zh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟矫的憋拷示锟斤拷位锟斤拷mg/m3锟斤拷g/m3锟斤拷
锟角烇拷什么锟斤拷锟絯锟絲锟統锟絰要使锟斤拷ppm锟斤拷锟斤拷示锟斤拷锟絯锟斤拷锟斤拷锟�锟斤拷
锟斤拷锟絯锟斤拷(b锟斤拷o)锟斤拷锟斤拷ppm锟斤拷位锟斤拷锟絰锟絝锟斤拷
一锟斤拷锟斤拷規(gu锟斤拷)锟斤拷锟絯锟斤拷(b锟斤拷o)锟斤拷锟斤拷锟絆(sh锟斤拷)锟矫的濓拷葐锟轿�ppm锟絚mg/m3锟絈锟斤拷锟絇(gu锟斤拷n)系锟斤拷
锟斤拷锟絯锟斤拷(b锟斤拷o)锟斤拷锟斤拷锟斤拷葐锟轿�ppm锟絚mg/m3锟侥換锟斤拷锟絇(gu锟斤拷n)系锟斤拷锟斤拷锟斤拷式計(j锟斤拷)锟姐：
锟斤拷锟斤拷锟斤拷锟絯锟斤拷(b锟斤拷o)锟斤拷锟斤拷锟侥橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟截度橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷锟斤拷锟铰ｏ拷
mg/m3锟絴(zh锟斤拷)锟斤拷锟斤拷锟�=M锟斤拷锟絯锟斤拷锟斤拷锟斤拷/22.4*ppm锟斤拷(sh锟斤拷)值
ppm锟斤拷(sh锟斤拷)值=锟絴(zh锟斤拷)锟斤拷锟斤拷锟�mg/m3*22.4锟斤拷M锟斤拷锟絯锟斤拷锟斤拷锟斤拷
锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷w锟斤拷(b锟斤拷o)锟斤拷锟斤拷锟絲锟統锟斤拷锟斤拷锟斤拷臍锟斤拷w锟斤拷锟斤拷锟斤拷锟斤拷20锟斤拷锟斤拷購锟斤拷10ppm锟斤拷锟教碉拷HF锟絈锟斤拷锟�mg/m3锟斤拷锟铰ｏ拷
HF锟斤拷10 (mg/m3)= 20 锟斤拷 22.4 * 10(ppm) 锟斤拷 8.93(ppm)
使锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷葐锟轿伙拷锟�mg/m3锟斤拷锟斤拷锟斤拷諝锟斤拷锟饺撅拷锟斤拷鹊谋锟绞撅拷锟斤拷锟�锟斤拷锟斤拷锟侥冿拷(y锟斤拷u)锟捷撅拷锟角匡拷锟皆凤拷锟斤拷計(j锟斤拷)锟斤拷锟斤拷锟饺撅拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷c锟絲锟統锟斤拷锟絯锟侥溫讹拷锟斤拷锟斤拷锟斤拷锟絟(hu锟斤拷n)锟斤拷锟絣锟斤拷锟斤拷锟絇(gu锟斤拷n)锟斤拷锟戒數(sh锟斤拷)值锟斤拷(hu锟斤拷)锟絊锟斤拷锟截讹拷锟斤拷锟解壓锟饺環(hu锟斤拷n)锟斤拷锟絣锟斤拷锟斤拷變锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷同锟斤拷锟斤拷锟斤拷锟节岋拷(sh锟斤拷)锟紿锟統锟斤拷锟絩(sh锟斤拷)锟斤拷锟斤拷要同锟絩(sh锟斤拷)锟統锟斤拷锟斤拷锟絯锟侥溫度和达拷鈮猴拷锟斤拷锟斤拷锟绞癸拷锟�ppm锟斤拷锟斤拷锟斤拷锟絯锟斤拷葧r(sh锟斤拷)锟斤拷取锟斤拷锟斤拷锟絯锟絜锟斤拷锟斤拷锟酵诧拷锟斤拷(hu锟斤拷)锟斤拷锟紽(xi锟斤拷n)锟紷锟斤拷(g锟斤拷)锟斤拷锟絵锟斤拷
聽锟絕ppm锟斤拷還知锟斤拷ppb锟斤拷ppt锟斤拷锟斤拷
锟斤拷锟絖(d锟斤拷)锟斤拷液锟斤拷葧r(sh锟斤拷)锟斤拷1ppm锟斤拷锟斤拷1ug/mL锟斤拷锟斤拷锟絖(d锟斤拷)锟斤拷锟絯锟叫成分猴拷锟斤拷锟絩(sh锟斤拷)锟斤拷1ppm锟斤拷锟斤拷1ug/g锟斤拷1g/t锟斤拷1ppb锟斤拷1ppm锟斤拷千锟斤拷之一锟斤拷
ppm part per million 锟斤拷锟絝锟斤拷之锟斤拷锟斤拷
ppb part per billion 10锟絴锟斤拷之锟斤拷锟斤拷
ppt part per trillion 锟絝锟絴锟斤拷之锟斤拷锟斤拷
part per thousand 千锟斤拷之锟斤拷锟斤拷
PPm PPb PPt锟轿拷(d锟斤拷)锟矫筹拷锟斤拷锟斤拷锟斤拷锟斤拷锟絝锟角嗭拷位锟斤拷锟斤拷锟斤拷一锟斤拷锟斤拷锟斤拷锟角嗭拷位锟斤拷
使锟矫時(sh锟斤拷)锟斤拷锟皆讹拷锟絰锟斤拷v/v锟斤拷n/n锟斤拷m/m锟斤拷g/l锟斤拷g/m3 锟饺ｏ拷锟杰度伙拷锟斤拷貑锟轿伙拷锟�锟斤拷
PPm 锟斤拷10锟侥ｏ拷6锟轿凤拷
PPb锟斤拷10锟侥ｏ拷9锟轿凤拷
PPt锟斤拷10锟侥ｏ拷12锟轿凤拷
Part.01ppm锟侥讹拷锟絰
ppm 锟斤拷锟斤拷part per million锟斤拷锟斤拷锟斤拷锟絝锟斤拷之一锟斤拷锟斤拷一锟斤拷(g锟斤拷)锟給锟斤拷锟絍锟斤拷锟斤拷锟斤拷锟斤拷锟街拷锟�ppm锟角何種锟斤拷锟絰锟斤拷還锟斤拷锟剿斤拷锟斤拷锟絯锟絜锟斤拷還锟斤拷锟絴(zh锟斤拷)锟斤拷锟饺伙拷锟斤拷锟斤拷锟斤拷锟斤拷1ug/ml锟斤拷锟絴(zh锟斤拷)锟斤拷/锟絯锟絜锟饺ｏ拷锟斤拷锟斤拷锟揭猴拷锟斤拷芏锟斤拷锟�1g/ml锟斤拷锟絫1ug/ml 锟洁當(d锟斤拷ng)锟斤拷1ppm锟斤拷锟斤拷锟斤拷锟揭猴拷芏炔锟斤拷锟�1g/ml锟斤拷锟絫锟斤拷要锟組(j锟斤拷n)锟叫換锟姐。锟斤拷锟节氾拷锟絯锟斤拷锟斤拷锟斤拷锟斤拷(hu锟斤拷)锟斤拷锟斤拷(f锟斤拷)锟絪一些锟斤拷锟斤拷?y锟斤拷n)锟斤拷锟絯锟斤拷蠒r(sh锟斤拷)锟斤拷锟节讹拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟截讹拷锟斤拷锟斤拷锟斤拷锟組锟捷碉拷變锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟�锟斤拷
锟斤拷燃锟斤拷锟饺嗭拷位锟絈锟斤拷 :
1ppm=1000ppb
1ppb=1000ppt
ppm锟斤拷锟斤拷mg/L锟斤拷锟斤拷锟斤拷/锟斤拷锟斤拷
ppb锟斤拷锟斤拷ug/L锟斤拷微锟斤拷/锟斤拷锟斤拷
ppt锟斤拷锟斤拷ng/L锟斤拷锟絳锟斤拷/锟斤拷锟斤拷
Part.02锟斤拷液锟侥濓拷锟�
锟斤拷液锟斤拷瓤煞譃锟斤拷|(zh锟斤拷)锟斤拷锟斤拷龋锟斤拷锟斤拷|(zh锟斤拷)锟斤拷锟劫分濓拷龋锟斤拷锟斤拷w锟絜锟斤拷龋锟斤拷锟侥︼拷锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷龋锟斤拷锟斤拷w锟絜锟斤拷锟斤拷锟筋悺锟�
1锟斤拷锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�
锟斤拷液锟侥濓拷锟斤拷锟斤拷锟斤拷|(zh锟斤拷)锟斤拷锟絴(zh锟斤拷)锟斤拷占全锟斤拷锟斤拷液锟絴(zh锟斤拷)锟斤拷锟侥百凤拷锟绞憋拷示锟侥斤拷锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�锟斤拷锟矫凤拷號%锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷25%锟斤拷锟斤拷锟斤拷锟斤拷注锟斤拷液锟斤拷锟斤拷指100锟斤拷注锟斤拷液锟叫猴拷锟斤拷锟斤拷锟斤拷25锟剿★拷锟絴(zh锟斤拷)锟斤拷锟劫分濓拷龋锟�%锟斤拷=锟斤拷锟絴(zh锟斤拷)锟絴(zh锟斤拷)锟斤拷/锟斤拷液锟絴(zh锟斤拷)锟斤拷100%
2锟斤拷锟絯锟絜锟斤拷锟�
锟斤拷1锟斤拷摩锟斤拷锟斤拷锟�
锟斤拷液锟侥濓拷锟斤拷锟�1锟斤拷锟斤拷液锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷摩锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷示锟侥斤拷摩锟斤拷锟斤拷龋锟斤拷梅锟教�mol锟斤拷示锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟斤拷锟斤拷锟叫猴拷18.4摩锟斤拷锟斤拷锟斤拷锟结，锟絫锟斤拷葹锟�18.4mol锟斤拷摩锟斤拷锟斤拷龋锟�mol锟斤拷=锟斤拷锟絴(zh锟斤拷)摩锟斤拷锟斤拷(sh锟斤拷)/锟斤拷液锟絯锟絜锟斤拷锟斤拷锟斤拷
锟斤拷2锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟�(N)
锟斤拷液锟侥濓拷锟斤拷锟�1锟斤拷锟斤拷液锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟侥克拷(d锟斤拷ng)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷示锟侥叫拷(d锟斤拷ng)锟斤拷锟斤拷龋锟斤拷梅锟教�N锟斤拷示锟斤拷锟斤拷锟界，1锟斤拷锟斤拷锟絵锟斤拷锟叫猴拷12.0锟剿拷(d锟斤拷ng)锟斤拷锟斤拷锟絵锟斤拷(HCl)锟斤拷锟絫锟斤拷葹锟�12.0N锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟�=锟斤拷锟絴(zh锟斤拷)锟侥克拷(d锟斤拷ng)锟斤拷锟斤拷(sh锟斤拷)/锟斤拷液锟絯锟絜锟斤拷锟斤拷锟斤拷
3锟斤拷锟絴(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷锟�
锟矫嗭拷位锟絯锟絜锟斤拷1锟斤拷锟斤拷锟阶伙拷1锟斤拷锟斤拷锟斤拷液锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟絴(zh锟斤拷)锟絴(zh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷示锟侥濓拷冉锟斤拷|(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷锟�锟斤拷锟皆凤拷號g/m3锟斤拷mg/L锟斤拷示锟斤拷锟斤拷锟斤拷锟斤拷1锟斤拷锟斤拷锟絫锟経水锟叫猴拷锟斤拷锟絩(ji锟斤拷)锟絫锟絴(zh锟斤拷)锟斤拷锟斤拷2锟斤拷锟剿ｏ拷锟絫锟斤拷锟絩(ji锟斤拷)锟絫锟侥濓拷葹锟�2锟斤拷锟斤拷/锟斤拷锟斤拷mg/L锟斤拷锟絴(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷锟�=锟斤拷锟絴(zh锟斤拷)锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟剿伙拷锟斤拷耍锟�/锟斤拷液锟斤拷锟絯锟絜锟斤拷锟斤拷锟斤拷锟阶伙拷锟斤拷锟斤拷
4锟斤拷锟斤拷葐锟轿伙拷膿Q锟姐公式锟斤拷
1锟斤拷锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟�=1000.d.锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�/E
2锟斤拷锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�=锟斤拷(d锟斤拷ng)锟斤拷锟斤拷锟�E/1000.d
3锟斤拷摩锟斤拷锟斤拷锟�=1000.d锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�/M
4锟斤拷锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�=锟絴(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷龋锟斤拷锟斤拷锟�/锟斤拷锟斤拷/104.d
5锟斤拷锟絴(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷龋锟�mg/L锟斤拷=104锟絴(zh锟斤拷)锟斤拷锟劫分濓拷锟�
5锟斤拷ppm锟斤拷锟斤拷锟斤拷锟侥百凤拷锟绞ｏ拷
ppm=mg/kg=mg/L
锟斤拷:1ppm=1ppm=1000ug/
1ppb=1ug/L=0.001mg
式锟叫ｏ拷E锟斤拷锟斤拷锟絴(zh锟斤拷)锟侥克拷(d锟斤拷ng)锟斤拷锟斤拷
d锟斤拷锟斤拷液锟侥憋拷锟斤拷锟斤拷
M锟斤拷锟斤拷锟絴(zh锟斤拷)锟斤拷摩锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷
Part.03锟斤拷锟絯锟斤拷锟�
锟斤拷锟斤拷锟斤拷械锟斤拷锟饺撅拷铮拷锟揭婏拷w锟絜锟斤拷群锟斤拷|(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷葋锟斤拷锟绞撅拷锟斤拷诖锟斤拷锟叫的猴拷锟斤拷锟斤拷
1锟斤拷锟絯锟絜锟斤拷锟�
锟絯锟絜锟斤拷锟斤拷锟斤拷锟矫匡拷锟斤拷锟斤拷椎拇锟斤拷锟叫猴拷锟斤拷锟斤拷染锟斤拷锟斤拷w锟絜锟斤拷(sh锟斤拷)锟斤拷锟斤拷锟斤拷锟斤拷锟阶ｏ拷锟斤拷ml/m3锟斤拷锟斤拷锟斤拷示锟斤拷锟斤拷锟矫的憋拷示锟斤拷锟斤拷锟斤拷ppm锟斤拷锟斤拷1ppm=1锟斤拷锟斤拷锟斤拷锟斤拷/锟斤拷锟斤拷锟斤拷=10-6锟斤拷锟斤拷ppm锟斤拷锟斤拷還锟斤拷ppb锟斤拷ppt锟斤拷
锟斤拷锟斤拷之锟絞锟斤拷锟絇(gu锟斤拷n)系锟角ｏ拷
1ppm=10-6 = 一锟斤拷锟絝锟斤拷之一锟斤拷
1ppb=10-9 = 十锟絴锟斤拷之一锟斤拷
1ppt=10-12 = 锟絝锟絴锟斤拷之一锟斤拷
1ppm=103ppb = 106ppt
2锟斤拷锟絴(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷锟�
锟斤拷每锟斤拷锟斤拷锟阶达拷锟斤拷锟斤拷锟饺撅拷锟斤拷锟絴(zh锟斤拷)锟斤拷锟斤拷(sh锟斤拷)锟斤拷锟斤拷示锟侥濓拷冉锟斤拷|(zh锟斤拷)锟斤拷-锟絯锟絜锟斤拷锟�锟斤拷锟斤拷位锟角猴拷锟斤拷/锟斤拷锟斤拷锟阶伙拷锟�/锟斤拷锟斤拷锟斤拷锟斤拷
锟斤拷锟絚ppm锟侥換锟斤拷锟絇(gu锟斤拷n)系锟角ｏ拷
X锟斤拷M*C/22.4
C=22.4*X/M
式锟叫ｏ拷X锟斤拷锟斤拷染锟斤拷锟斤拷每锟斤拷(bi锟斤拷o)锟斤拷锟斤拷锟阶的猴拷锟剿旓拷(sh锟斤拷)锟斤拷示锟侥濓拷锟街碉拷锟�
C锟斤拷锟斤拷染锟斤拷锟斤拷ppm锟斤拷示锟侥濓拷锟街�锟斤拷
M锟斤拷锟斤拷染锟斤拷姆锟街拷锟斤拷锟斤拷锟�
锟斤拷锟斤拷式锟缴得碉拷锟斤拷锟斤拷锟絇(gu锟斤拷n)系锟斤拷
1ppm=M/22.4(mg/m3)=1000.m/22.4ug/m3
锟斤拷1锟斤拷锟斤拷锟节橈拷(bi锟斤拷o)锟斤拷(zh锟斤拷n)锟斤拷B(t锟斤拷i)锟斤拷锟斤拷30锟斤拷锟斤拷/锟斤拷(bi锟斤拷o)锟斤拷锟斤拷锟阶的凤拷锟斤拷锟斤拷锟�ppm锟斤拷锟�锟斤拷
锟解：锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟�20锟斤拷锟絫锟斤拷
C=30x22.4/20=33.6ppm
锟斤拷2锟斤拷锟斤拷知锟斤拷锟斤拷卸锟斤拷锟斤拷锟斤拷锟侥濓拷葹锟�5ppm锟斤拷锟斤拷锟斤拷mg/Nm3锟斤拷示锟侥濓拷锟街�锟斤拷
锟解：锟斤拷锟斤拷锟斤拷锟斤拷姆锟斤拷锟斤拷锟斤拷锟�64锟斤拷
X =5x64/22.4mg/m3=14.3mg/m3
3锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷(d锟斤拷ng)植锟斤、锟斤拷锟絯锟経锟斤拷锟斤拷锟斤拷ppm锟斤拷ppb锟絚锟絴(zh锟斤拷)锟斤拷锟斤拷锟斤拷锟絈锟姐：
1ppm=1mg/kg=1000ug/kg
1ppb=1ug/kg=10-3mg/kg
1mg/kg=1ppm=1000ug/kg
1ug/kg=1ppb=10-3ppm
該锟斤拷锟铰侊拷源锟斤拷锟斤拷锟紹(t锟斤拷i)锟絟(hu锟斤拷n)锟斤拷圈锟斤拷锟斤拷锟斤拷锟街欙拷(qu锟斤拷n)锟介煩聯(li锟斤拷n)系锟斤拷司锟斤拷锟絟锟斤拷锟斤拷锟絰锟絰锟斤拷