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砷檢知管 ARSINE AsH3 5-160ppm

簡(jiǎn)要描述:

砷檢知管 ARSINE AsH3 5-160ppm,氣體檢測(cè)管是用來(lái)檢測(cè)某種氣體在某一環(huán)境中所含濃度的簡(jiǎn)易檢測(cè)裝置,通過(guò)檢測(cè)劑與被檢測(cè)氣體的反應(yīng)而出現(xiàn)顏色變化,來(lái)表示所測(cè)環(huán)境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡(jiǎn)單、使用范圍廣、檢測(cè)準(zhǔn)確、即時(shí)性強(qiáng)和經(jīng)濟(jì)的特點(diǎn)。

更新時(shí)間:2025-01-15

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砷檢知管 ARSINE AsH3 5-160ppm

砷檢知管 ARSINE AsH3 5-160ppm

Tube No.
1. PERFORMANCE
1) Measuring range :0.05-5.0%
Number of pump strokes 1(100ml)
2) Sampling time :1.5 minutes/1 pump stroke
3) Detectable limit :100 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 1 pump stroke
8) Colour change :Yellowish orange→Pale green(The top of discoloured lauer is Brown, but read
at the top Pale green.)
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
C2H5OH+Cr6++H2SO4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
5.0
4.0
3.0
2.0
1.0
0.5
0.1
0.05
%
DEHUMIDIFIER
(White)
????????
??????
?? ?? ??
104SA
ETHYL ALCOHOL
(ETHANOL)
Substance Interference Coexistence
Paraffin hydrocarbons
(over C3) Similar stain is produced. Higher reading are given.
Alcohols 〃〃
Esters 〃〃
Ketones 〃〃
Aromatic hydrocarbons 〃〃
If the top of discolouration by
Halogenated hydrocarbons Pale brown stain is produced. Ethanol can be obtained, the
accuracy of readings is not
affected.
TEMPERATURE CORRECTION TABLE
Scale True Concentration (%)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(%) (32°F) (50°F) (68°F) (86°F) (104°F)
5.0 - - 5.0 3.9 3.2
4.0 - - 4.0 3.2 2.6
3.0 - - 3.0 2.4 2.0
2.0 - - 2.0 1.6 1.3
1.0 - 1.9 1.0 0.8 0.7
0.5 - 0.8 0.5 0.4 0.3
0.3 0.9 0.4 0.3 0.3 0.2
0.1 0.1 0.1 0.1 0.1 0.1
www.r-biopharm.com.cn

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