您好, 歡迎來到化工儀器網(wǎng)! 登錄| 免費注冊| 產(chǎn)品展廳| 收藏商鋪|
當(dāng)前位置:上海境宣實業(yè)有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 120U硫化氫H2S氣體檢測管120U HYDROGEN SULPHIDE 0.2-6.0ppm
參 考 價 | 面議 |
產(chǎn)品型號120U
品 牌
廠商性質(zhì)代理商
所 在 地上海市
更新時間:2024-11-20 12:40:47瀏覽次數(shù):1058次
聯(lián)系我時,請告知來自 化工儀器網(wǎng)室內(nèi)空氣甲醛檢測管No.713 FORMALDEHYDE 0.01-0
氯乙烯CH2=CHCl氣體測毒管132SC VINYL CHLORID
氯乙烯CH2=CHCl氣體檢知管132SB VINYL CHLORID
硫化氫H2S氣體檢測管120U HYDROGEN SULPHIDE 0.2-6.0ppm
Tube 20U
1. PERFORMANCE
1) Measuring range :0.4-6.0 ppm 0.2-3.0 ppm
Number of pump strokes 1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.05 ppm(100ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 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 Mercury chloride(II), Hydrogen chloride is produced and PH indicator is discoloured.
H2S+HgCI2→HgS+HCI
4. CALIBRATION OF THE TUBE
PERMEATION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
3.0
2.5
2.0
1.5
1.0
0.5
0.2
100ml
ppm
(White)
DEHUMIDIFIER
??????????
????
120U HYDROGEN SULPHIDE
Substance Interference Coexistence
Whole reagent is changed to Pale red,
Sulphur dioxide but Purplish red stain is indicated H2S
FIG.1 concentration.
Hydrogen selenide Similar stain is produced. Higher readings are given.
Arsine 〃〃
Mercaptans FIG.2 〃〃
Phosphine 〃〃
Hydrogen cyanide Whole reagent is changed to Red. 〃
Coexistence
Interference
0
2
3
1
Sulphur dioxide〔ppm〕?
FIG.1 Influence of Sulphur dioxide
Hydrogen sulphide indicating value 〔ppm〕
1 2 3 4 5
Coexistence
Interference
0
2
3
1
Ethyl mercaptan〔ppm〕?
FIG.2 Influence of Ethyl mercaptan
Hydrogen sulphide indicating value 〔ppm〕
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value
請輸入賬號
請輸入密碼
請輸驗證碼
以上信息由企業(yè)自行提供,信息內(nèi)容的真實性、準(zhǔn)確性和合法性由相關(guān)企業(yè)負責(zé),化工儀器網(wǎng)對此不承擔(dān)任何保證責(zé)任。
溫馨提示:為規(guī)避購買風(fēng)險,建議您在購買產(chǎn)品前務(wù)必確認供應(yīng)商資質(zhì)及產(chǎn)品質(zhì)量。