www.cgongxi.com-国产日产久久高清欧美一区WW,国产在线观看无码免费视频,国产日产久久高清欧美一区WW,国模欢欢炮交啪啪150P

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管>氣體快速檢測管>169S氯丁二烯二CH2=CClCH=CH2氣體檢測管,169S CHLOROPRENE 0.5-20ppm

氯丁二烯二CH2=CClCH=CH2氣體檢測管,169S CHLOROPRENE 0.5-20ppm

簡(jiǎn)要描述:

氯丁二烯CH2=CClCH=CH2氣體檢測管,169S CHLOROPRENE 0.5-20ppm,2-氯丁二烯,臭氧屬于有害氣體,濃度為6.25×10 -6 mol/L(0.3mg/m3 ) 時(shí),對眼、鼻、喉有刺激的感覺(jué);濃度 (6.25-62.5)×10 -5mol/L(3 ~ 30mg/m3 ) 時(shí),出現頭疼及呼吸器官局部麻痹等癥 ; 臭氧濃度為 3.125×10 -4 ~ 1.25×10-3 mol/L(15 ~ 60mg/m 3 ) 時(shí) , 則對人體有危害。

更新時(shí)間:2024-07-14

在線(xiàn)留言
氯丁二烯二CH2=CClCH=CH2氣體檢測管,169S CHLOROPRENE 0.5-20ppm

2-氯丁二烯CH2=CClCH=CH2氣體檢測管,169S CHLOROPRENE 0.5-20ppm

1. PERFORMANCE
1) Measuring range :1-20 ppm 0.5-10 ppm
Number of pump strokes 1(100ml) 2(200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.01 ppm(200ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(20-40℃)(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 reacting with an Oxidizer, Hydrogen chloride is produced and PH indicator is discoloured.
CH2=CCICH=CH2+CrO3+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
DETECTOR TUBE
(White)
(Orange)
PRETREAT TUBE
10
8
6
4
2
1
0.5
ppm
DEHUMIDIFIER
Tube No.
169S CHLOROPRENE
87
Substance Interference ppm Coexistence
Acetylene The accuracy of readings is not affected. 1% Lower readings are given.
Ethylene 〃〃
Hydrogen chloride 1,000 Higher readings are given.
Chlorine Similar stain is produced. 〃
Vinyl chlorine 〃〃
(NOTE)
In case of 1 pump stroke, following formula is available for the actual concentration.
Actual concentration=2×Temperature corrected value.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃-10℃ 30℃ 35℃ 40℃
(ppm) (32-50°F) (86°F) (95°F) (104°F)
16.0 16.0 14.3 13.6 12.1
14.0 14.0 12.6 11.9 10.6
12.0 12.0 11.1 10.5 9.3
10.0 10.0 9.5 9.0 8.0
8.0 8.0 7.6 7.2 6.4
6.0 6.0 5.8 5.4 4.8
4.0 4.0 3.8 3.5 3.1
2.0 2.0 1.9 1.8 1.5
1.0 1.0 1.0 0.9 0.8
0.5 0.5 0.5 0.45 0.4

阳城县| 宣武区| 静海县| 邹平县| 甘肃省| 昌都县| 乌拉特前旗| 宜昌市| 裕民县| 凤台县| 张家港市| 五家渠市| 穆棱市| 高安市| 天门市| 常德市| 安义县| 建德市| 乌鲁木齐县| 府谷县| 崇阳县| 乐清市| 盈江县| 建宁县| 拜城县| 南京市| 宁南县| 志丹县| 乐亭县| 莒南县| 依安县| 新绛县| 登封市| 左贡县| 南木林县| 岳阳市| 盘锦市| 茂名市| 前郭尔| 东港市| 百色市|