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(cè)管>氣體快速檢測(cè)管>135SA四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300p

簡(jiǎn)要描述:

四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300ppm,中文名稱2: 全氯乙烯,英文名稱2: perchloroethylene,健康危害: 本品有刺激和麻醉作用。吸入急性中毒者有上呼吸道刺激癥狀、流淚、流涎。隨之出現(xiàn)頭暈、頭痛、惡心、運(yùn)動(dòng)失調(diào)及酒醉樣癥狀??诜蟪霈F(xiàn)頭暈、頭痛、倦睡、惡心、嘔吐、腹痛、視力模糊、四肢麻木,甚至出現(xiàn)興奮不安、抽搐乃至昏迷,可致死。慢性影響:有乏力、眩暈、惡心、酩酊感等。可有肝損害。皮膚反復(fù)接觸,可致皮炎和濕疹。

更新時(shí)間:2025-07-03

在線留言
四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300p

四氯乙烯Cl2C=CCl2氣體檢測(cè)管135SA TETRACHLOROETHYLENE 5-300ppm

1. PERFORMANCE
1) Measuring range :10-300 ppm 5-150 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :2 minutes/1 pump stroke
3) Detectable limit :1 ppm(100ml)
4) Shelf life :2 years(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 :Yellow→Red
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CCI2=CCI2+PbO2+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
150
100
100
30
20
10
5
ppm
GAS To pump
PRETREAT REAGENT
(Grey)
Tube No.
135SA TETRACHLOROETHYLENE
Substance Interference Coexistence
Vinyl chloride Similar stain is produced. Higher readings are given.
Hydrogen chloride FIG.1 〃〃
1,2-Dichloroethylene FIG.2 〃〃
Trichloroethylene 〃〃
Chlorine Pale red stain is produced.
(NOTE)
In case of 1 /2 or 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value
0
200
100
Hydrogen chloride〔ppm〕?
FIG.1 Influence of Hydrogen chloride
Tetrachloroethylene
indicating value 〔ppm〕
500 1000
Coexistence
Interference
0
200
100
1,2-Dichloroethylene〔ppm〕?
FIG.2 Influence of 1,2-Dichloroethylene
Tetrachloroethylene
indicating value 〔ppm〕
50 100
Coexistence
Interference
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
150 - 172 150 138 134
100 144 116 100 92 88
50 70 56 50 46 44
30 40 36 30 28 26
20 22 21 20 19 18
10 10 10 10 10 10

久久精品国产亚洲av忘忧草18| 国产精品亚洲av三区八戒| 在线观看成人av天堂不卡| 色综合亚洲精品激情狠狠| 9久久99看黄毛片免费| 99精品亚洲av无码国产另类| 亚洲中文字幕精品熟女一区| 老熟女午夜一区二区三区| 99精品中文字幕在线不卡| 五月亚洲色婷婷无码AV| 26uuu亚洲综合色欧美| 大尺度无码初裸写真福利| 人妻激情偷乱视91九色| 国产一区二区三区精品| 日本伦理视频在线观看高清| 久久人人玩人妻精品视频| 亚洲综合无码av一区二区| 精品一区二区三区长筒靴| 少妇人妻精品一区二区三区| 国产91边对白在线播放| 色哟哟在线观看精品入口| 亚洲 国产 综合 在线| 国产精品乱码久久久粉嫩| 日本精品一区二区三区久久 | 99久久精品露脸国产对白| 夜色成人影院在线www| 欧美成人怡春院在线激情| 九九热国产视频在线观看| 日韩精品亚洲精品第一页| 国产欧美久久久精品免费| 久久婷婷五月天性感成人| 色男人天堂亚洲男人天堂| 亚洲av无码乱码国产精品fc2| 黄色a三级三级三级三级| 亚洲熟妇无码久久精品爱| 日韩精品欧美国产一区二区| 亚洲熟妇无码久久精品爱| 草草影院精品一区二区三区| 国产一区大胸裸色视频网| 97免费在线视频资源站| 日本不卡一区二区在线播放|