国产精品久久久久久无码专区,日本免费无码一区二区到五区,gogogo日本免费观看视频,亚洲av综合色区无码一区爱av

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

艳妇乳肉豪妇荡乳| 国产毛毛浓密茂盛| 成人电影免费在线观看| 被夫の上司持久侵犯耻辱在线| 门卫老李干了校花高小柔| 日韩电影免费在线观看网站| 白洁少妇全文无删减在线阅读| 无码欧美xxxxx在线观看裸| 把英语课代表按在地上c| japanese少妇高潮潮喷| 亚洲av片在线观看| japan少妇洗澡videos| 亚洲一区二区三区高清在线观看| 成人性生交大片免费看r| a片人人澡c片人人人妻| 不说就继续这样弄你| 人妻被黑人猛烈进入a片| 好爽毛片一区二区三区四无码三飞| 国产又色又爽又黄又刺激视频国语| 久久九九久精品国产免费直播| 丁香色欲久久久久久综合网| zoom与人性zoom| 国产又粗又猛又爽又黄的视频| 肉伦娇喘连连蜜汁横流| 国产三级片在线观看| 亚洲色欲啪啪久久www综合网| 动漫人物桶动漫人物免费观看网站| 99久久久无码国产精品免费| 14表妺好紧没带套18分钟| 极品粉嫩小泬白浆20pa片| 国产又黄又爽又湿的免费网站| 国产日产久久高清欧美一区ww| 国产在视频线精品视频| 日韩人妻无码一区二区三区免费| 国产在线视频一区二区三区| 国产av一区二区三区传媒| 快穿之胸大喂奶h| 日韩性做爰免费a片aa片| 麻豆国产一区二区三区四区| 意大利电影巜丰满的欲妇| 小雪的13又嫩又紧又多水|