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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>243U硅酸Si(OC2H5)4气体检测管243U TETRAETHOXYSILANE 5-200ppm

硅酸Si(OC2H5)4气体检测管243U TETRAETHOXYSILANE 5-200ppm

简要描述:

硅酸Si(OC2H5)4气体检测管243U TETRAETHOXYSILANE 5-200ppm,日本光明理化学株式会社北川式( KITAGAWA) 1 31型无机气体定性检测管和1 86B型有机气体定性检测管可在事故现场 1分钟内定性测定 1 0种无机气体和 4 1种有机气体 ,操作简便 ,现场直读 ,本质安全 ,适用于各种气态污染物事故现场。

更新时间:2017-07-17

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硅酸Si(OC2H5)4气体检测管243U TETRAETHOXYSILANE 5-200ppm

硅酸Si(OC2H5)4气体检测管243U TETRAETHOXYSILANE 5-200ppm

1. PERFORMANCE
1) Measuring range :12.5-200 ppm 5-80 ppm
Number of pump strokes 1(100ml) (200ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :1 ppm(200ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(refer to "Table 2. Temperature CorrectionTable")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Yellow→Pale blue
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
S(i OC2H5)4+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
200ml
80
60
40
20
10
5
ppm
GAS To pump
Tube No.
243U TETRAETHOXYSILANE
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (41°F) (50°F) (68°F) (86°F) (104°F)
80 110 100 90 80 72 64
60 80 75 70 60 54 45
40 56 52 47 40 33 28
20 27 25 23 20 16 14
10 13 12 11 10 8 7
5 6 5 5 5 5 4
(NOTE)
In case of 1 pump stroke, following formula is available for the actual concentration.
Actual concentration=2.5×Temperature corrected value

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