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>156S氟氣HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

氟氣HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

簡要描述:

氟氣HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm,氟是一種鹵族化學(xué)元素,它的化學(xué)符號是F,它的原子序數(shù)是9。氟是一種腐蝕性的淡黃色雙原子氣體。氟是電負(fù)度Z強(qiáng)的元素,也是很強(qiáng)的氧化劑。在常溫下,它幾乎能和所有的元素化合,并產(chǎn)生大量的熱能, 氟是劇毒性氣體,能刺激眼、皮膚、呼吸道粘膜。由于它立即與水反應(yīng)生成氟化氫,所以在大多數(shù)情況下顯出與氟化氫同樣的毒性。

更新時(shí)間:2025-03-10

在線留言
氟氣HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

氟氣HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm

Tube 56S

1. PERFORMANCE
1) Measuring range :0.5-30 ppm 0.25-15 ppm
Number of pump strokes 3(300ml) 6(600ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(300ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 pump strokes
8) Colour change :Greenish yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
PH indicator is discoloured by Hydrogen fluoride.
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1
0.5
5
10
15
20
25
30
300ml
ppm

????
156S HYDROGEN FLUORIDE
Substance Interference Coexistence
Chlorine FIG.1 Similar stain is produced. Higher readings are given.
Hydrogen chloride FIG.2 〃〃
(NOTE)
1)This detector tube is affected by ambient temperature and humidity,therefore, it is necessary to compensate
the reading of gas detector tube with the following equation and correction coefficient table.
Actual concentration=Reading Value×Correction Coefficient
2)In case of 6 pump strokes, following formula is available for the actual concentration.
Actual concentration=1/2×Temp./R.H. corrected value
0
30
40
20
10
Chlorine〔ppm〕?
FIG.1 Influence of Chlorine
Hydrogen fluorine
indicating value 〔ppm〕
2 4 6 8 10 0
30
40
20
10
Hydrogen chloride〔ppm〕?
FIG.2 Influence of Hydrogen chloride
Hydrogen fluorine
indicating value 〔ppm〕
10 20 30
TEMP./R.H.CORRECTION COEFFICIENT TABLE
Relative Temperature
Humidity 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
30 0.9 0.7 0.6 0.55 0.5
40 1.6 1.0 0.8 0.65 0.6
50 2.6 1.3 1.0 0.7 0.7
60 - 2.2 1.5 1.1 0.8
70 - - 2.7 1.6 0.9
80 - - - 2.9 1.1

中文字幕精品一区二区精品| 国产乱人伦偷精品视频a人人澡| 日本髙清无码免费视频| 精品无码av无码专区| 色综合久久久久久久久五月| 人人爽久久久噜噜噜婷婷| 精品国产一区二区三区久久影院| 无码人妻少妇伦在线电影| 无码夜色一区二区三区| 久久99久久99精品中文字幕| 国产精品99久久av色婷婷综合 | 全免费a级毛片免费看视频| 久久人妻少妇嫩草AV无码| 国产盗摄xxxx视频xxxx| 少妇极品熟妇人妻无码| 欧美乱妇无码毛片斯巴达三百勇士 | 久久久久99精品成人片试看 | 精品无码国产一区二区三区AV| 精品国产丝袜黑色高跟鞋| 边吃奶边被躁欧美三级| 无码人妻一区二区三区AV| 欧美人与动牲交片免费| 色哟哟国产精品免费观看| 伊人久久大香线蕉亚洲五月天| 国产成人av一区二区三区| 国产理论片午午伦夜理片2021| 韩国精品无码少妇在线观看| 亚洲男同帅GAY片在线观软件 | 国产人妻大战黑人20P| 韩国a片巜上司与的人妻| 色欲午夜无码久久久久久| 亚洲一区二区自偷自拍另类| 日产一二三区别免费必看| 日韩精品久久日日躁夜夜躁影视| 花蝴蝶日本视频免费高清| 亚洲综合精品一区二区三区| 亚洲AV午夜成人片精品电影| 亚欧美无遮挡HD高清在线视频| 免费播放一区二区三区| 国产精品久久人妻无码| 久久精品国产成人|