成人毛片无码一区二区三区,亚洲精品成人无码中文毛片,亚洲国产精品尤物yw在线观看,人妻互换精品一区二区

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:2025-01-15

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

国产女主播喷水视频在线观看| 亚洲精品无码久久久久久久 | 日本少妇做爰全过| 日本极度色诱| 小蜜被两老头吸奶头在线观看| 欧美猛交xxx无码黑寡妇| 成人毛片18女人毛片免费| 欧美丰满大乳高跟鞋| 亚洲熟女综合一区二区三区 | 亚洲AV影院一区二区三区| 国产无套抽出白浆来视频| 无遮无挡爽爽免费毛片| 亚洲日韩av无码| 欧美老人巨大XXXX做受| 野花高清完整版免费观看视频大全| 中文字幕在线字幕| 久久久久亚洲av成人网| 免费看成人aa片无码视频吃奶| 亚洲国产另类久久久精品黑人| 亚洲av中文无码乱人伦在线咪咕| 西西最大胆日本无码视频| 少妇高潮灌满白浆毛片免费看| 色欲精品国产一区二区三区av| 亚洲处破女a片出血| 超碰97久久国产精品牛牛| 美女扒开腿让男人桶爽久久软件| 精品人妻无码一区二区三区下载| 人妻精油按摩bd高清中文字幕| 波多野结衣 美乳人妻| 日韩国产精品亚洲а∨天堂免| 日韩欧美 a级| 欧美,日韩,国产,专区| 狠狠色噜噜狠狠亚洲av| 久久er99热精品一区二区| 国产午夜亚洲精品不卡| 精品无码乱码av| 人妻无码ΑV中文字幕久久琪琪布| 亚洲精品深夜av无码一区二区| 国产成人无码免费视频在线| 永久在线观看免费视频| 极品少妇粉嫩小泬V片可看|