精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

產(chǎn)品列表PRODUCTS LIST

首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>178SB氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm

氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm

簡要描述:

氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm,泳池水用臭氧消毒時,按全池水循環(huán)一次時每小時的水流量確定投放臭氧量,通常是1m3/h水使用1-2g臭氧,然后再投加少量的消毒藥劑。當(dāng)1m3/h泳池水使用臭氧4g或以上時,池水不再需要投加消毒藥劑,并且池水會變得清澈透藍(lán)。

更新時間:2025-03-10

在線留言
氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm

氯化苯C6H5CL氣體檢測管178SB CHLOROBENZENE 1-140ppm

Tube No.
178SB CHLOROBENZENE
 

1. PERFORMANCE
1) Measuring range :5-140 ppm 1-5 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :0.5 ppm(500ml)
4) Shelf life :1 year
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Pale brown
2. RELATIVE STANDARD DEVIATION
RSD-low:20% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
lodine pent-oxide is reduced.
C6H5CI+I(xiàn)2O5+H2SO4→I2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DETECTOR TUBE
(white)
DEHUMIDIFIER TUBE
140
120
100
80
60
40
20
10
5
ppm
Tube No.
178SB CHLOROBENZENE
84
Substance Interference ppm Coexistence
Ethyl benzene Similar stain is produced. Higher readings are given.
Toluene FIG.1 〃〃
Xylene FIG.2 〃〃
Benzene 〃〃
Carbon monoxide FIG.3 Wtheh osliem rileaar gsetanitn i’ss cchoalonugre.d to 50 〃
Hexane 〃100 〃
0
20
30
10
Toluene〔ppm〕?
FIG.1 Influence of Toluene Benzene indicating value 〔
ppm〕
5 10 0
20
30
10
Xylene〔ppm〕?
FIG.2 Influence of Xylene
Benzene indicating value 〔ppm〕
10 20 0
20
30
40
10
Carbon monoxide〔ppm〕?
FIG.3 Influence of Carbon monoxide
Benzene indicating value 〔ppm〕
50 100
(NOTE)
When the concentration is below 5 ppm, 5 pump strokes can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration=1/5×Reading value

国产性一乱一性一伧| 97人妻无码av碰碰视频| 国语自产一区怡和院| 欧美牲交a欧美牲交aⅴ一| 精品熟女60老妇av免| 手机在线看永久av片免费| 久久精品这里热有精品| CHINESE国产XXXX实拍| 国产无线乱码一区二三区| 国产一区二区草草影院| 成年女人毛片免费视频| 欧美最顶级丰满的AⅤ艳星| 激情综合亚洲色婷婷五月app| 国产精品免费无遮挡无码永久视频 | 亚洲午夜精品a片一区二区无码| 国产AV人人夜夜澡人人爽麻豆| 国产美女在线精品免费观看| 国产精品亚洲AV电影在线观看| videosgrati欧美另类| 日韩精品免费一线在线观看| 性色AV浪潮AV色欲AV一区| 免费观看完整视频app| 色婷婷综合久久久久中文| 亚洲色欲色欲WWW在线成人网| 国产精品久久久久久婷婷| 性欧美xxxxx老少交| 日本人妻丰满熟妇久久久久久| 国内精品自产拍在线观看| 啦啦啦中文免费视频高清观看 | 人妻无码视频一区二区三区| 日韩精品内射视频免费观看 | 亚洲变态另类一区二区三区| 伊人久久香线蕉综合色啪| 亚洲av无码无在线观看红杏| 久久久久亚洲av成人网| 永久在线观看免费视频| 综合网日日天干夜夜久久| 久久精品国产亚洲7777| 夜夜爽77777妓女免费看| 国产精品三级一区二区| 久久精品无码AV|