国产激情久久久久影院老熟女,亚洲av午夜精品无码专区,欧美熟妇另类久久久久久多毛,国产精品户外野外

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>146S光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm

光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm

簡要描述:

光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm,氣體檢測技術(shù)只需使用檢測管和采集器就可對氣體進(jìn)行檢測。操作簡單,極易掌握,有著廣泛的應(yīng)用,可以在很多領(lǐng)域發(fā)揮作用。其中包括:重工業(yè):鋼鐵、造船、汽車、造紙等,制造業(yè):食品、家電、半導(dǎo)體等,石化業(yè):化學(xué)工業(yè)、石油精煉等,能源領(lǐng)域:天然氣、電力等,工程施工現(xiàn)場:下水道、燃?xì)夤こ?、建設(shè)工地等,科研:研究室、實驗室等,交通:電車、飛機(jī)、船舶、公共汽車或長途車等,醫(yī)療機(jī)構(gòu):醫(yī)院、診療所、保健所等,事務(wù)所:辦公室、會議室、大廳、演藝室等

更新時間:2025-10-21

在線留言
光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm

光氣COCl2氣體檢測管146S PHOSGENE 0.1-20ppm

Tube 46S
1. PERFORMANCE
1) Measuring range :0.5-20 ppm 0.1-0.5 ppm
Number of pump strokes 1(100ml) 5(500ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.05 ppm(500ml)
4) Shelf life :1 year (Necessary to store in a refrigerated place ; 0~10℃)
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :White→Red
2. RELATIVE STANDARD DEVIATION
RSD-low:15% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Nitro-benzyl pyridine, urea derivative is produced.
This urea derivative reacts with Benzyl aniline and dyestuff is produced.
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
20.0
15.0
10.0
5.0
3.0
1.0
0.5
ppm
100ml
GAS To pump
DEHUMIDIFIER
(White)
146S PHOSGENE
0
10
5
Nitrogen dioxide〔ppm〕?
FIG.1 Influence of Nitrogen dioxide
Phosgene indicating value 〔ppm〕
10 20 30
Substance Interference ppm Coexistence
Nitrogen dioxide Yellow stain is produced. 100 Yellow stain is produced and higher
FIG.1 readings are given.
Chlorine 5 Discolouration is faded from the gas
inlet edge.
Hydrogen chloride 10 〃
Sulphur dioxide 0.2% 〃
(NOTE)
When the concentration is below 0.5 ppm, 5 pump strokes can be used to determine the lower concentration.
Following formula is available for the actual concentration.
Actual concentration=1/5×Temperature corrected value
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
20 13.5 17.0 20.0 21.8 23.0
15 10.5 12.8 15.0 16.5 17.5
10 7.0 8.6 10.0 11.0 11.8
5 3.5 4.3 5.0 5.5 5.8
3 3.0 3.0 3.0 3.0 3.0

国产成人精品亚洲午夜麻豆| 国产日韩一区二区天美麻豆| 欧美激情在线播放| 小受夹道具羞耻h调教play| 尤物视频在线看免费观看| 国产日产欧产精品| 国产精品免费a v片在线观看| 综合亚洲色社区| 日韩国产精品无码一区二区三区| 白丝被操在线看| 任我爽橹在线视频精品一| 嗯灬啊灬把腿张开灬a片| 欧美性猛交一区二区三区| 老太bbwwbbww高潮| 99久久综合狠狠综合久久| 国产51麻豆二区精品av视频| 国产又粗又猛又爽又黄的a片小说| 国产在线国偷精品免费看 | 中国明星xxxx性裸交| 色情a片做爰片| 97无码免费人妻超级碰碰夜夜| 国产精品三级在线观看无码| 亚洲精品无码久久久久yw| av影音先锋| 欧美一级片在线免费观看| 久久久精品波多野结衣| 国产成人av无码一二三区| 妺妺第一次啪啪好紧| 国产桃色在线成免费视频| 无码刺激性a片短视频| 国产乱国产乱老熟300部| 男人视频在线观看色91| 野外做受又硬又粗又大视频 | 熟‘妇人妻无码中文字幕| 偷朋友人妻系列h文| 99热这里只有精品23| 丰满熟妇乱又伦| 9久9精品视频免费观看| 在线观看操死你| 国产强伦姧在线观看剧情| 老牛影视一区二区久久性|