丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

產(chǎn)品列表PRODUCTS LIST

首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測(cè)管>氣體快速檢測(cè)管>122SB環(huán)氧乙烷CH2CH2O氣體檢測(cè)管122SB ETHYLENE OXIDE 5-100ppm

環(huán)氧乙烷CH2CH2O氣體檢測(cè)管122SB ETHYLENE OXIDE 5-100ppm

簡(jiǎn)要描述:

環(huán)氧乙烷CH2CH2O氣體檢測(cè)管122SB ETHYLENE OXIDE 5-100ppm,采樣器為吸入負(fù)壓式,即拉開與手柄相連的活塞,使缸筒造成負(fù)壓,被測(cè)氣體在吸入時(shí)通過檢測(cè)管與管內(nèi)的化學(xué)物質(zhì)反應(yīng)變色進(jìn)行檢測(cè)的方式。采樣器設(shè)有兩個(gè)檔位,檢測(cè)時(shí)按需要的通氣體積將手柄拉至50或100ml檔位即可,鎖銷自行鎖定,操作極為簡(jiǎn)便。

更新時(shí)間:2025-01-15

在線留言
環(huán)氧乙烷CH2CH2O氣體檢測(cè)管122SB ETHYLENE OXIDE 5-100ppm

環(huán)氧乙烷CH2CH2O氣體檢測(cè)管122SB ETHYLENE OXIDE 5-100ppm

Tube 22SB
1. PERFORMANCE
1) Measuring range :5-100 ppm
Number of pump strokes 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.5 ppm(200ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Formic acid is produced and PH indicator is discoloured.
CH2CH2O+H2SO4→HOCH2CH2OH
HOCH2CH2OH+HIO4→2HCHO+HIO3+H2O
HCHO+HIO4+H2SO4→HCO2H+HIO3
HCO2H+NaOH→Na(HCOO)+H2O
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS To pump
DETECTOR TUBE
(White)
PRETREAT TUBE
100
80
60
40
20
10
5
????
????
????
122SB ETHYLENE OXIDE
Substance Interference Coexistence
Formaldehyde Similar stain is produced. Higher readings are given.
Propylene 〃〃
Acetone Ytheell ogwas s itnalient ies dpgroed. uced a little on Lower readings are given.
Diethyl ether Plitatlele o onr athneg eg assta ininle its e pdrgoed.uced a 〃
TEMPERATURE CORRECTION TABLE
Scale Corrected Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
100 - 125 100 80 70
80 - 100 80 64 56
60 140 75 60 48 42
40 80 50 40 32 28
20 32 25 20 17 14
10 15 12 10 9 7
5 7 6 5 5 4

扒开双腿猛进入免费观看国产| 精品久久久久久无码中文字幕| 搡女人真爽免费视频大全| 四虎AV永久在线精品免费观看| 亚洲中文字幕无码永久在线| 国产精品成人无码免费| 色欲色av免费观看| 人妻丝袜无码国产一区| 香港AA三级久久三级| 一本一道波多野结衣AV中文| 亚洲一区AV在线观看无码| 特级a欧美做爰片毛片| 久久99热久久99精品| 男人J进入女人P免费狂躁| 亚洲性视频| 欧美激情第1页| 精品熟人妻一区二区三区四区不卡 | 国产真人无码作爱免费视频久| 国产精品久久欧美久久一区| 欧洲精品码一区二区三区免费看| 无人高清视频免费观看在线| 亚洲国产成人精品无码区| 锕锕锕锕锕锕~好深啊的视频| 粗大猛烈进出高潮视频免费看 | 久久久久99精品成人片试看| 国产午夜亚洲精品不卡| 又摸又揉又黄又爽的视频| 国产人与zoxxxx另类| 日本爽快片18禁免费看| 精品国产偷窥一区二区| 亚洲日韩一区二区三区| 久久人人添人人爽添人人片牛牛| 久久性爱视频| 中文字幕在线亚洲精品| 在线观看亚洲AV日韩A∨| 性xxxx视频播放免费| 亚洲熟妇无码另类久久久| 久久久久久无码AV成人影院| 免费a级毛片18禁网站免费| 久久精品无码一区二区无码| 亚洲色欲啪啪久久WWW综合网|