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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>164SA甲硫醇CH3SH氣體檢知管164SA METHYL MERCAPTAN 5-140ppm

甲硫醇CH3SH氣體檢知管164SA METHYL MERCAPTAN 5-140ppm

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甲硫醇CH3SH氣體檢知管164SA METHYL MERCAPTAN 5-140ppm,日本光明理化檢測管,創(chuàng)立于1947年,是日本氣體檢測管的創(chuàng)始人,氣體檢測管和AP-20檢測儀一起使用可以檢測400種氣體,中國區(qū)現(xiàn)貨供應(yīng)www.yd666.com 中國地區(qū)*代理商,氣體檢測管,活性炭管,硅膠采樣管,采氣袋,吸收瓶,測塵濾膜等耗材,采集室內(nèi)外大氣環(huán)境及車間現(xiàn)場中的一氧化碳,二氧化硫,氮氧化物等有害氣體的檢測,同時生產(chǎn)系列型防爆個體,大氣,塵毒呼吸性粉塵采樣器

更新時間:2025-10-21

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甲硫醇CH3SH氣體檢知管164SA METHYL MERCAPTAN 5-140ppm

甲硫醇CH3SH氣體檢知管164SA METHYL MERCAPTAN 5-140ppm

Tube No.
1. PERFORMANCE
1) Measuring range :5-140 ppm
Number of pump strokes 1(100mr)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :1 ppm
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~20℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :White→Reddish yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:5%
3. CHEMICAL REACTION
Methyl mercaptan reacts with Palladium sulphate.
CH3SH+PdSO4→(CH3S)2Pd+H2SO4
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
5
10
20
40
60
80
100
120
140
ppm
100ml
GAS To pump
H2SREMOVER
(White) H2S remover is effective up to 40 ppm H2S.
164SA METHYL MERCAPTAN
Substance ppm Interference ppm Coexistence
Carbon monoxide 150 Dark grey stain is produced.
Ethylene 200 〃
Hydrogen sulphide 40 Dark brown stain is produced.
Acetylene 20 〃
Ethyl mercaptan 1 Yellow stain is produced.
Methyl sulphide 1 Lower readings are given.
Chlorine 0.2 〃
(NOTE)
Max. 40 ppm Hydrogen sulphide is eliminated by pretreat reagent.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20-40℃
(ppm) (32°F) (50°F) (68-104°F)
140 164 149 140
120 140 128 120
100 118 107 100
80 94 85 80
60 70 63 60
40 45 41 40
20 21 21 20
10 10 10 10

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