丰满岳乱妇在线观看中字无码,漂亮的保姆5在线观看中文,把我绑在床头上夹奶头视频,免费人做人爱完整版视频

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

国产精品点击进入在线影院高清| 精品白嫩bbwbbwbbw| 国产成人精品一区二区三区无码| 日韩a∨精品日韩在线观看| 中国杭州少妇xxxx做受| 日本免费人成视频在线观看| 精品人妻无码一区二区色欲产成人| 久久精品熟女亚洲av麻豆 | 人妻丰满熟妇av无码区免| 亚洲日韩V无码中文字幕| 亚洲成av人片天堂网| 熟妇高潮一区二区三区| 精品综合久久久久久98| 秋霞成人午夜鲁丝一区二区三区| 国产精品久久香蕉免费播放| 西瓜在线看免费观看视频| 国精产品一区二区三区公司| 成人性爱视频在线观看| 久久久精品456亚洲影院| 色欲人妻综合AAAAA网| 99国产精品成人av片免费看| 少妇激情av一区二区| 少妇乱子伦精品无码| 亚洲乱码无码永久不卡在线| 亚洲av无码一区二区三区在线观看 | 亚洲国产精品成人久久久| 免费观看视频的app| 国产欧美精品一区二区三区四区 | 欧美激情综合色综合啪啪五月| 日本老年老熟无码| 国产午夜无码福利在线看网站| 丰满少妇被猛烈进入毛片| 无码欧美毛片一区二区三| 高清播放器欧美大片| 色精阁久艾草国产WWW| 精品无码一区二区三区在线| 少妇高潮无套内谢麻豆传| 亚洲综合色自拍一区| 国产精品18久久久久久 | 强奷人妻日本中文字幕| 国产成人久久精品一区二区三区|