亚洲清纯唯美综合伊人色,大香蕉中码手机在线视频,欧美老黄片在线免费播放,亚洲午夜av一区二区三区

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強的元素,也是很強的氧化劑。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。

更新時間:2025-09-03

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

无码熟妇人妻AV在线影片免费| 公的下面好大弄得我好爽| 久久人人爽人人人片aV| 第4色奇米26在线观看| 人狗大战JAVA代码| 午夜国产激情免费一级片| 久久久精品亚洲懂色av| 台湾天天综合娱乐中文网| 亚洲风情天天干| 国产精品久久久久精品日日| 成人啪精品视频午夜网站| 极品少妇被猛得白浆直流草莓视频| 久久午夜张柏芝| 让我鲁精品视频在线观看| 今晚24时油价将下调| 极品女神西比尔久久精品| 自拍偷拍 亚洲一区二区| 天美传媒免费观看一二三在线| 亚洲国产精品久久久久精品| 国内美女白浆视频久久网| 亚洲色爱图小说专区| 国产精品久久久夜夜高潮| 老牛无码人妻精品1国产| 亚洲国产精品一区二区电影| 色琪琪丁香婷婷综合久久| 久久久久久久久久久二区| 精品一区二区三区电影网| 中文字幕精品久久久久人妻 | 国产关晓彤AV在线播放| 国产亚洲av洗澡人人精品| 囯产精品一区二区三区线| 久久精品熟女亚洲av麻豆| 在线观看精品福利片香蕉| 久久精品久久久国产三级| 熟女少妇亚洲精品h久久| 天堂成人av视频一区二区| 中文字幕文字幕视频在线| 国产精品一区莫菁门69| 久久久国产精品免费中文| 精品区在线导航视频观看| 亚洲免费视频费观看在线|