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產(chǎn)品詳情
簡(jiǎn)單介紹:
日本理化臭氧O3氣體檢測(cè)管182U
日本理化臭氧O3氣體檢測(cè)管182U ,臭氧O3氣體測(cè)毒管182U OZONE 0.025-3.0ppm,日本光明理化工業(yè)株式會(huì)社從1947年開始,在氣體分析領(lǐng)域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測(cè)管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測(cè)管的歷史
詳情介紹:
日本理化臭氧O3氣體檢測(cè)管182U
日本理化臭氧O3氣體檢測(cè)管182U ,臭氧O3氣體測(cè)毒管182U OZONE 0.025-3.0ppm,日本光明理化工業(yè)株式會(huì)社從1947年開始,在氣體分析領(lǐng)域開拓了六十余年 , 形成了馳名于世的 ” 北川 ” 式氣體檢測(cè)管。氣體快速分析法 ” 北川 ” 的歷史就是日本檢測(cè)管的歷史 。目前是世界上*大的檢測(cè)管生產(chǎn)廠家,也是日本**家通過(guò)美國(guó)SEI的認(rèn)證,歐盟的認(rèn)證的檢測(cè)管廠家。公司不僅有ISO9001:2000的認(rèn)證,還獲得了環(huán)境管理的ISO14001的認(rèn)證。北川式手動(dòng)氣體采集器AP-20 備有采氣完成指示計(jì) , 可以清楚的判明采氣是否完成 . • 有專門截留玻璃的截留槽 , 以防止檢測(cè)管割尖時(shí)玻璃片飛濺 . • 有采氣容積為 50 毫升和 100 毫升的兩段式制動(dòng)卡 . • 采氣器極為小巧 , 并有便于攜帶的皮具包 。
臭氧屬于有害氣體,濃度為 6.25×10mol/L(0.3mg/m3 ) 時(shí),對(duì)眼、鼻、喉有刺激的感覺;濃度 (6.25-62.5)×10 -5 mol/L(3 ~ 30mg/m3 ) 時(shí),出現(xiàn)頭疼及呼吸器官局部麻痹等癥 ; 臭氧濃度為 3.125×10 -4 ~ 1.25×10 -3 mol/L(15 ~ 60mg/m 3 ) 時(shí) , 則對(duì)人體有危害。其毒性還和接觸時(shí)間有關(guān),例如長(zhǎng)期接觸 1.748×10 -7 mol/L(4ppm) 以下的臭氧會(huì)引起長(zhǎng)久性心臟障礙,但接觸 20ppm 以下的臭氧不超過(guò) 2h ,對(duì)人體無(wú)長(zhǎng)久性危害。因此,臭氧濃度的允許值定為 4.46×10 -9 mol/L(0.1ppm)8h. 由于臭氧的臭味很濃,濃度為 4.46×10 -9 mol/L(0.1ppm) 時(shí),人們就感覺到,因此,世界上使用臭氧已有一百多年的歷史,至今也沒(méi)有發(fā)現(xiàn)一例因臭氧中毒而導(dǎo)致死亡的報(bào)道。
Tube No.182U
1. PERFORMANCE
1) Measuring range :0.15-3.0 ppm 0.05-1.0 ppm 0.025-0.5 ppm
Number of pump strokes 1(100ml) 3(300ml) 6(600ml)
2) Sampling time :3 minutes/3 pump strokes
3) Detectable limit :0.01 ppm(600ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 3 pump strokes
7) Colour change :Blue→White
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Indigo is oxidized and Isatin is produced.
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
0.1
0.05
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
ppm
300ml
GAS To pump
182U OZONE
Substance Interference ppm Coexistence
The top of discoloured layer
Nitrogen dioxide Similar stain is produced. 0.5 becomes unclear and higher
FIG.1 readings are given.
Chlorine 〃10
Oxidant Similar stain is produced and this
has same sensitivity with Ozone.
(NOTE)
In case of 1 or 6 pump strokes, following formula is available for actual concentration.
Actual concentration=Reading value ×
0
0.4
0.6
0.2
Nitrogen dioxide〔ppm〕?
FIG.1 Influence of Nitrogen dioxide
Ozone indicating value 〔ppm〕
0.5 1.0
3
Number of strokes
C
NH
HN
C
O
=?
O
C
=?
=C
C
NH
C
O
=?
+2O3 ? 2 =O+2O2
1. PERFORMANCE
1) Measuring range :0.15-3.0 ppm 0.05-1.0 ppm 0.025-0.5 ppm
Number of pump strokes 1(100ml) 3(300ml) 6(600ml)
2) Sampling time :3 minutes/3 pump strokes
3) Detectable limit :0.01 ppm(600ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 3 pump strokes
7) Colour change :Blue→White
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Indigo is oxidized and Isatin is produced.
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
0.1
0.05
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
ppm
300ml
GAS To pump
182U OZONE
Substance Interference ppm Coexistence
The top of discoloured layer
Nitrogen dioxide Similar stain is produced. 0.5 becomes unclear and higher
FIG.1 readings are given.
Chlorine 〃10
Oxidant Similar stain is produced and this
has same sensitivity with Ozone.
(NOTE)
In case of 1 or 6 pump strokes, following formula is available for actual concentration.
Actual concentration=Reading value ×
0
0.4
0.6
0.2
Nitrogen dioxide〔ppm〕?
FIG.1 Influence of Nitrogen dioxide
Ozone indicating value 〔ppm〕
0.5 1.0
3
Number of strokes
C
NH
HN
C
O
=?
O
C
=?
=C
C
NH
C
O
=?
+2O3 ? 2 =O+2O2