国产又粗又猛又爽又黄男女-少妇无码又大又粗又深免小说-国产精品久久久久电影网-精品久久洲久久久久护士车痴电汉

產品列表PRODUCTS LIST

首頁>產品中心>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:2025-08-20

發郵件給我們:554328895@qq.com

分享到: 1
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

主站蜘蛛池模板: 欧美午夜精品久久久久免费| 国产女人专区久久久久久久| 国产青青草av一区二区三区四区| 日本大香欧美高清视频| 91在线日本在线观看| 一区二区三区在线精品观看| av中文资源在线观看| 国产嘿咻一区二区三区| 精品人妻一区三区三区| 亚洲天天综合色制服丝袜在线| 在线视频你懂的色日韩| 久久久久亚洲天堂av| 亚洲欧美日韩综合久久亚洲| 亚洲精品国产专区999| 亚洲自拍偷拍视频第一页| 丰满老熟妇人妻双飞视频| 国产福利高颜值在线观看| 91蜜桃精品在线视频| 日韩精品丝袜美熟女中出| 欧洲亚洲精品一二三四| 麻豆网址在线观看视频| 精品亚洲少妇一区二区| 中文在线免费一区二区| 久久久久久综合激情网| 国产婷婷成人久久av免费| 欧美亚洲中文字幕第一页| 国产一区二区视频免费在线观看| 久久国产午夜精品一区二区| 午夜激情黄色一区二区三区| 国产精品中文字幕欧美日韩| 麻豆蜜桃伦理一区二区三区| 精品久久久久久18禁免费网站| 麻豆成人精品久久二区三区| 日韩欧美一级精品久久| 日本亚洲欧美一区二区| 欧美激情在线观看一区二区三区| 国产91精品国自产拍一区二区 | 国产区一区二区三区性色| 中文字幕日韩精品亚洲一区老| 国产伦精品一区二区三区视频黑人| 99热播精品在线观看|