国产日韩欧美_国产亚洲一卡2卡3卡4卡网站_国产亚洲精品综合网在线观看_国产亚洲成AⅤ人片在线奶水_国产下药迷倒白嫩美女在线_国产午夜精品一区二E1_日本国产制服丝袜一区

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>120SD硫化氫H2S氣體檢知管120SD HYDROGEN SULPHIDE 1-60ppm

硫化氫H2S氣體檢知管120SD HYDROGEN SULPHIDE 1-60ppm

簡要描述:

硫化氫H2S氣體檢知管120SD HYDROGEN SULPHIDE 1-60ppm,接觸高濃度硫化氫后以腦病表現(xiàn)為顯蓍,出現(xiàn)頭痛、頭暈、易激動、步態(tài)蹣跚、煩躁、意識模糊、譫妄、癲癇樣抽搐可呈全身性強(qiáng)直一陣攣發(fā)作等;可突然發(fā)生昏迷;也可發(fā)生呼吸困難或呼吸停止后心跳停止。眼底檢查可見個別病例有視神經(jīng)乳頭水腫。部分病例可同時伴有肺水腫。

更新時間:2025-01-08

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
硫化氫H2S氣體檢知管120SD HYDROGEN SULPHIDE 1-60ppm

硫化氫H2S氣體檢知管120SD HYDROGEN SULPHIDE 1-60ppm

1. PERFORMANCE
1) Measuring range :2-60 ppm 1-30 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :White→Pale brown
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Lead acetate(II), Lead sulphide is produced.
H2S+Pb(CH3COO)2→PbS+2CH3COOH
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
135
10
15
20
25
30
100ml
ppm
????
Tube No.
120SD HYDROGEN SULPHIDE
(NOTE)
In case of 1 /2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value
Substance Interference ppm Coexistence
Sulphur dioxide FIG.1 aTfhfeec atecdc.uracy of readings is not 10 Higher readings are given.
Mercaptans FIG.2 〃300 〃
Nitrogen dioxide FIG.3 〃2 Lower readings are given.
0
60
80
20
40
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide
Hydrogen sulphide indicating value 〔ppm〕
200 400
100ml
0
60
80
20
40
Ethyl mercaptan〔ppm〕?
FIG.2 Influence of Ethyl mercaptan
Hydrogen sulphide indicating value 〔ppm〕
200 400 600
100ml
0
150
50
100
Nitrogen dioxide〔ppm〕?
FIG.3 Influence of Nitrogen dioxide

板桥市| 西华县| 和硕县| 静海县| 阳城县| 北海市| 偏关县| 和静县| 宁蒗| 清镇市| 阜平县| 苗栗市| 双柏县| 来宾市| 祁门县| 宜阳县| 平邑县| 鸡西市| 突泉县| 浪卡子县| 南澳县| 新昌县| 克拉玛依市| 肇东市| 西安市| 天长市| 隆尧县| 南漳县| 闻喜县| 乌恰县| 南通市| 岳池县| 宝清县| 建水县| 浮山县| 巴塘县| 新田县| 若羌县| 舞钢市| 罗城| 东阳市|