99久久国产精品人妻无码,国产免费av片在线观看,国产精品污www一区二区三区,真人性做爰无遮a片免费

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(jī)氣體定性,無機(jī)氣體定性。

更新時間:2024-12-10

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

动漫精品一区二区三区在线观看| 国精品人妻无码一区二区三区性色| 亚洲欧洲日韩综合色天使先锋| 一区二区三区国产精华液区别| 脱岳裙子从后面挺进去视频| 色欲色香天天天综合www| 五十六十丰满老熟妇hd| 在电梯伦流澡到高潮h男男| 欧美激情精品久久久久久| bgmbgmbgm老太太视频| 天天爽夜夜爽夜夜爽| 蜜臀av999无码精品国产专区| 舌头伸进去里面吃小豆豆| 欧美a级suv大全| 好爽又高潮了毛片免费下载| 久久精品国产亚洲av忘忧草18| 免费看又黄又无码的网站| 欧洲熟妇色xxxx欧美老妇多毛| 国产成人精品无码免费播放| 一边摸一边做爽的视频17国产| 惩罚她给她用最粗的玉势h| 少妇寂寞偷公乱400章深夜书屋| 欧美性人人天天夜夜摸| 又长又粗又大又硬起来了| 真人性做爰无遮a片免费| 我的少妇邻居全文免费| 国产中年熟女高潮大集合| 少妇寂寞偷公乱400章深夜书屋| 亚洲中文无码| 亚洲av永久无码精品古装片| 熟妇人妻va精品中文字幕| 欧美《熟妇的荡欲》未删减版| 久久国产精品无码网站| 亚洲色成人网站www永久四虎| 秋霞无码av久久久精品小说| 亚洲av夜夜欢一区二区三区| 上司人妻互换hd无码中文字幕| 少妇大叫太大太粗太爽了a片小说| 处破初破苞一区二区三区| 非缘勿扰电视剧全集36免费观看| 迈开腿让我看看你的草莓|