精品国产天线2019,色综合久久无码五十路人妻,亚洲熟悉妇女XXX妇女AV,亚洲H在线播放在线观看H

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:2025-03-10

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

国产精品夜间视频香蕉| 99re66热这里只有精品3| 久久aaaa片一区二区| 国产重口老太和小伙A片| 成年女人午夜毛片免费视频| 色 综合 欧美 亚洲 国产| 国偷自产AV一区二区三区接| 野花香高清视频在线观看免费 | 97超碰国产精品无码分类| 国产999精品久久久久久| 24小时在线看免费观看直播 | 国模无码人体一区二区| A级毛片无码免费真人久久| 久久久久久精品天堂无码中文字幕| 精品久久久无码中文字幕 | 熟女少妇丰满一区二区| 边摸边脱吃奶边高潮视频免费 | 免费人成视频x8x8入口观看大 | 人世间电视剧免费观看全集完整版| 亚洲AV午夜成人片精品网站| 中文字幕亚洲情99在线| 国产精品久久久久久久妇| 国产色视频一区二区三区 | 欧美肉欲k8播放毛片 | a片免费| 日日碰狠狠躁久久躁| 入禽太深免费完整版电影| 不卡无码人妻一区三区音频| 国产中老年妇女精品| 国外精品视频在线观看免费| 国产午夜精品一区理论片飘花 | 人妻少妇被粗大爽9797pw| 免费视频在线观看爱| 亚洲乱亚洲乱妇24p| 麻豆精品一区二区综合AV| 亚洲AV在线观看| 任我爽橹在线视频精欧美| 精品国产三级av一区二区三区| 日韩精品a片一区二区三区| 无码国产精成人午夜视频一区二区| 十大禁用的免费游戏手游中文|