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三氯乙烯Cl2C=CHCl氣體檢測管134SG TRICHLOROETHYLENE 0.05-2.0%,氣體檢測管是利用填充在玻璃管中的檢測劑與被測氣體發生化學反應而發生顏色變化,通過觀察變色層的長度,得到被測氣體的濃度。在一定直徑的玻璃管內緊密地裝填檢測劑,將兩端燒封,然后在玻璃管表面印制表示濃度的刻度,就制成了一支檢測管。檢測劑通過在硅膠或氧化鋁等物質表面附著顯色試劑的方法所制成的。顯色試劑遇到被測氣體時,會發生特定反應,產生變色,這種檢測試劑具有相當的穩定性。
更新時間:2024-12-19
在線留言三氯乙烯Cl2C=CHCl氣體檢測管134SG TRICHLOROETHYLENE 0.05-2.0%
Tube 34SG
1. PERFORMANCE
1) Measuring range :0.05-1.0% 0.1-2.0%
Number of pump strokes 1(100ml) 1/2(50ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :0.005%(100ml)
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→Yellow(The top of discoloued layer is pale green.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTI0N
CI2C=CHCI+I2O5+H2SO4→I2
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
1.0
%?
0.8
0.6
0.4
0.2
0.1
0.05
Cl2C=CHCl
100ml
134SG TRICHLOROETHYLENE
TEMPERATURE CORRECTION TABLE
Tube Corrected Concentration (%)
Readings 0℃ 5℃ 10℃ 20℃-40℃
(%) (32°F) (41°F) (50°F) (68-104°F)
1.0 1.45 1.3 1.2 1.0
0.8 1.2 1.05 0.95 0.8
0.4 0.65 0.55 0.45 0.4
0.2 0.3 0.25 0.22 0.2
0.1 0.13 0.11 0.11 0.1
0.05 0.05 0.05 0.05 0.05
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Tmperature corrected value
上一篇:134SB三氯乙烯Cl2C=CHCl氣體測毒管134SB TRICHLOROETHYLENE 0.2-36.8
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