韩漫画免费在线观看入口,国产精品欧美久久久久久久,99欧美精品一区二区三区,日韩欧激情一区二区三区

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

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

簡要描述:

氟化氫HF氣體檢測管156S HYDROGEN FLUORIDE 0.17-30ppm,是一種*的腐蝕劑,有劇毒。它是無色的氣體,但是在空氣中,只要超過3ppm就會產(chǎn)生刺激的味道。八小時日時量平均容許濃度(TLV):3ppm,短時間時量平均容許濃度(S):6ppm,呼吸防護(hù):30ppm以下:含防HF 濾罐的動力型空氣凈化式或全面型化學(xué)濾罐式呼吸防護(hù)具、含防HF 濾罐的防毒面罩、全面型自攜式或供氣式呼吸防護(hù)具

更新時間:2025-07-02

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

氟化氫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

亚洲色大成网站在线观看| 金刚狼在线观看| 欧美日韩国产一区二区综合| 一线毛片久久久久女18| 中文字幕av不卡在线播放| 国产精品乱码妇女bbbb| 亚洲中文字幕一二三四五| 久久在热99视频精品店| 欧美成人精品三级网站色戒 | 亚洲国产成人精品色哟哟| 精品亚洲成a人无码成a在线观看| 国产欧美久久久一区二区| 伊人色综合琪琪久久社区| 亚洲欧美激情第一欧美精品| 97视频免费在线观看公开| 777米奇成人久久影院| 午夜久久久久久亚洲欧美| 日本中文字幕一区二区视频| 国产精品一区二区三区v| 永久av网站免费在线看| 国产日韩欧美日日骚一区| 五十路肉感熟妇在线播放| 亚洲精品一区二区精华液| 亚洲中文字幕视频在线三区| 国产青娱乐久久久久久久| 噜噜噜久久久噜噜噜久久久| 国内久久婷婷综合99啪| 色av一区二区三区四区| 日本不卡一区二区在线观看| 爸我来清理门户在线免费| 国产最新在线视频你懂得| 爸我来清理门户在线免费| 男人捅女人国产精品网址| 白乳房天天官网性插视频| 婷婷视频在线观看免费视频| 青娱乐日韩精品| 无码欧美人xxxxx日本漫画| 精品人妻一区二区三区浪潮在线 | 超碰在线97国产久中文| av日韩国产一区二区三区| 亚洲性别爱图片小说视频|