免费无码成人AV电影在线播放,精品露脸国产偷人在视频,国产成人免费视频,少妇高潮a片无套内谢麻豆传

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>130U乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

簡要描述:

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm,有限空間氣體檢測箱可檢測:一氧化碳25-1000ppm,二氧化碳0.05-3%,硫化氫1-100ppm,二氧化硫0.0001-0.01%,氨氣0.0001-0.01%,苯20-400mg/m3,氮氧化物5-100mg/m3,汽油50-1000mg/m3,氯氣1-30mg/m3,氯化氫1-30mg/m3,有機氣體定性,無機氣體定性。

更新時間:2025-01-15

在線留言
乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

乙硫醇C2H5SH氣體檢測管130U ETHYL MERCAPTAN 0.5-10ppm

Tube 30U
1. PERFORMANCE
1) Measuring range :1-10 ppm 0.5-5 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100mr)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by Methyl mercaptan at 1 pump stroke
7) Colour change :Pale yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric cholride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCI2→RS(HgCI)+HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
????
GAS ???? To pump
5
4
3
2
1
0.5
100ml
ppm
(White)
DEHUMIDIFIER
130U ETHYL MERCAPTAN
Substance Interference Coexistence
Arsine Similar stain is produced. Higher readings are given.
Hydrogen selenide 〃〃
Phosphine 〃〃
Hydrogen sulphide 〃
Hydrogen cyanide Whole reagent is changed to Red. 〃
Whole reagent is changed to
Sulphur dioxide Pale red, but Pink stain indicates
Mercaptans conc.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value

欧美丰满大乳高跟鞋| 伊人久久大香线蕉亚洲五月天 | 久久精品无码精品免费专区| xxx少妇厨房xxx乱| 亚洲av无一区二区三区久久\| 女人高潮被爽到呻吟在线观看| 欧美老妇与zozoz0交| juliaann无码丰满熟妇| 国产又黄又爽又刺激的免费网址| 色综合视频一区二区三区 | 亚洲国产成人久久精品| 精品无码中文视频在线观看| 中文字幕导入是乱码ma| 真人高清实拍女处被破的视频| 99999久久久久久亚洲| 国产精品51麻豆cm传媒| 亚洲av永久无码精品水牛影视| 亚洲人成无码网站久久99热国产| 日韩av片无码一区二区不卡| 日韩AV无码精品一二三区| 欧美牲交a欧美牲交aⅴ免费下载| 中文字幕丰满伦子无码| 精品国产乱码久久久久久浪潮| 欧美日韩在线亚洲综合国产人| 国精产品一区一区三区有限在线| 亚洲成AV人片在线观看无码| 人人超碰人人爱超碰国产| 中文字幕久久久久久精品| 狠狠做深爱婷婷久久综合一区| 日本三级欧美三级人妇视频| 成人免费一区二区三区视频 | 亚洲AV无码无在线观看| 亚洲国产av片在线狼人| 久久夜色精品亚洲噜噜国产av| 51福利国产在线观看午夜天堂 | 欧美老妇疯狂XXXXBBBB| 无人视频在线观看完整版高清中文| 亚洲国产AV精品| 国产又大又粗又长硬又紧又爽| 亚洲av无码成人精品区| 久久天天躁狠狠躁夜夜avapp|