无码欧美xxxxx在线观看裸,麻豆影视在线直播视频,久久夜色精品国产亚洲av动态图,色欲av午夜一区二区三区

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>132SC氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm

氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm

簡要描述:

o-Chlorotoluene ClC6H4CH3 132SC VINYL CHLORIDE (-) 1-50ppm 氯乙烯氣體檢測管,鄰氯甲苯測毒管,2-氯甲苯檢測管,因此,臭氧濃度的允許值定為 4.46×10 -9 mol/L(0.1ppm)8h. 由于臭氧的臭味很濃,濃度為4.46×10 -9 mol/L(0.1ppm)時,人們就感覺到,因此,世界上使用臭氧已有一百多年的歷史,至今也沒有發(fā)現(xiàn)一例因臭氧中毒而導(dǎo)致死亡的報道。

更新時間:2025-02-06

在線留言
氯乙烯氣體檢測管132SC VINYL CHLORIDE 1-50ppm

o-Chlorotoluene ClC6H4CH3 132SC VINYL CHLORIDE (-) 1-50ppm 氯乙烯氣體檢測管,鄰氯甲苯測毒管,2-氯甲苯檢測管,

Tube 32SC
1. PERFORMANCE
1) Measuring range :0.4-12.0 ppm 0.2-6.0 ppm 0.1-3.0 ppm
Number of pump strokes 1(100ml) 2(200ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.05 ppm(400ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~15℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Greenish yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chlorine is produced and PH indicator is discoloured.
CH2=CHCI+CrO3+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
PRETEAT TUBE DETECTOR TUBE
6.0
5.0
4.0
3.0
2.0
1.0
(White)
ppm
200ml
132SC VINYL CHLORIDE
Substance Interference ppm Coexistence
Acetylene 1% Lower readings are given.
Ethylene FIG.1 300 〃
Hydrogen chloride 200 Higher readings are given.
Chlorine Similar stain is produced. ch1lo0r×ideV cinoynlc. 〃
(NOTE)
In case of 1 or 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=Temperature corrected value×2/Number of strokes
0
4.0
3.0
1.0
2.0
Ethylene〔ppm〕?
FIG.1 Influence of Ethylene Vinyl chloride indicating value 〔
ppm〕
100 200 300 400 500 600 700
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15-40℃
(ppm) (32°F) (41°F) (50°F) (59°F)(104°F)
6.0 10.0 8.2 7.0 6.0
5.0 8.2 6.8 5.7 5.0
4.0 6.7 5.5 4.7 4.0
3.0 4.9 4.1 3.5 3.0
2.0 3.3 2.7 2.3 2.0
1.0 1.6 1.3 1.2 1.0

蜜臀av色欲a片无码精品一区| 漂亮人妻被中出中文字幕 | 亚洲欧美日韩在线不卡| 人妻免费久久久久久久了| www亚洲精品少妇裸乳一区二区| 日本高清一区二区三区| 无码人妻熟妇av又粗又大| 久久www香蕉免费人成| 久久久久se色偷偷亚洲精品av| 日本a级毛片| 国产精品久久久久久久久久久不卡| 国产精品久久婷婷六月丁香| 人妻大战黑人白浆狂泄| 中文字幕久精品免费视频| 亚洲av片不卡无码久久蜜芽| 丁香五香天堂网| 亚洲国产一区二区a毛片日本| 精品亚洲成A人片在线观看少妇| 国产嫖妓一区二区三区无码| 人妻无码久久一区二区三区免费| 久久久久亚洲av无码| 中文字幕av高清片| 粗壮挺进人妻水蜜桃成熟漫画 | 国产成人猛男69精品视频| 成免费crm在线看系统| 被老外添嫩苞添高潮np视频| 日本公与熄乱理在线播放| 人妻系列无码专区免费视频| 国语对白刺激真实精品| 国产精品亚洲精品日韩已满| 熟妇五十路六十路息与子| 国产亚洲精品美女久久久久久| 久久人人爽人人爽人人AV| 天天躁人人躁人人躁狂躁| 亚洲人成未满十八禁网站| 97人妻人人揉人人躁人人| 少妇乱子伦精品无码| 久久久久久久久久久精品尤物| 亚洲精华国产精华液| 国产成人精品无码免费播放| 92国产精品午夜福利免费|