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>192S環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

簡(jiǎn)要描述:

環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm,“SEI"認證是什么?“安全設備學(xué)會(huì )Safety Equipment Institute(SEI)"—上Z為嚴格的認證之一,由美國國家標準學(xué)會(huì )和工業(yè)安全設備聯(lián)合會(huì )American NationalStandardsInstitute/Industrial Safety Equipment Association(ANSI/ISEA)做出。2006年6月,SEI對21種氣體檢測管進(jìn)行了認證

更新時(shí)間:2024-07-14

在線(xiàn)留言
環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

環(huán)氧氯丙烷OCH2CHCH2Cl氣體檢測管192S EPICHLOROHYDRIN 5-50ppm

Tube 92S
1. PERFORMANCE
1) Measuring range :5-50 ppm
Number of pump strokes 3(300ml)
2) Sampling time :2 minutes/3 pump strokes
3) Detectable limit :1 ppm
4) Shelf life :1 year
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 3 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, Hyrogen chloride is produced and PH indicator is discoloured.
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
????????????
GAS ???? To pump
DETECTOR TUBE
(Orange)
PRETREAT TUBE
50
40
30
20
10
5
ppm
300ml
192S EPICHLOROHYDRIN
CH2CHCH2Cl+CrO3+H2SO4→HCl
O
Substance Interference Coexistence
Halogenated hydrocarbons Similar stain is produced. Higher readings are given.
FIG.1
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15℃ 20℃ 30℃ 40℃
(ppm) (32°F) (41°F) (50°F) (59°F) (68°F) (86°F) (104°F)
50 - - 70 60 50 42 37
40 - - 57 47 40 34 30
30 - 61 42 35 30 25 23
20 80 39 29 24 20 17 15
10 33 19 15 12 10 9 8
5 15 10 8 6 5 5 4
0
30
40
50
60
20
10
Trichlorocthylene〔ppm〕?
FIG.1 Influence of Trichlorocthylene
Epichlorohydrin indicating value 〔ppm〕
50 100 150 200 250
Coexistence
Interference

淮南市| 吉林省| 扎鲁特旗| 贡山| 马关县| 舒城县| 新源县| 梁河县| 兴化市| 济南市| 济阳县| 太和县| 通化县| 新化县| 丰都县| 合山市| 忻城县| 无为县| 沙湾县| 宜宾县| 友谊县| 华亭县| 瑞金市| 临泽县| 呼和浩特市| 漯河市| 蓬溪县| 探索| 三河市| 全椒县| 肥东县| 电白县| 新野县| 弋阳县| 肥西县| 麻栗坡县| 固阳县| 鄢陵县| 湄潭县| 岳普湖县| 嘉兴市|