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            當(dāng)前位置:上海境宣實(shí)業(yè)有限公司>>日本光明北川式氣體檢測(cè)管>>氣體快速檢測(cè)管>> 237S日本北川式丁基甲基酮?dú)怏w檢測(cè)管237S Methyl butyl ketone 5-80ppm

            日本北川式丁基甲基酮?dú)怏w檢測(cè)管237S Methyl butyl ketone 5-80ppm

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            產(chǎn)品型號(hào)237S

            品       牌

            廠商性質(zhì)代理商

            所  在  地上海市

            更新時(shí)間:2025-04-21 17:51:42瀏覽次數(shù):1299次

            聯(lián)系我時(shí),請(qǐng)告知來自 化工儀器網(wǎng)
            丁基甲基酮?dú)怏w檢測(cè)管Methyl butyl ketone CH3(CH2)3COCH3 237S VINYL ACETATE 5-80ppm 醋酸乙烯氣體檢測(cè)管,丁基甲基酮?dú)怏w檢測(cè)管237S Methyl butyl ketone 5-80ppm,測(cè)量氣體的檢測(cè)管實(shí)際是將化學(xué)分析方法儀器化,是一種定量、定性、定值的檢測(cè)方式,具有化學(xué)分析和儀器分析的雙重優(yōu)點(diǎn)。

            丁基甲基酮?dú)怏w檢測(cè)管237S Methyl butyl ketone 5-80ppm

            Tube No.237S

            1. PERFORMANCE
            1) Measuring range :10-120 ppm 5-60 ppm
            Number of pump strokes 1(100ml) 2(200ml)
            2) Sampling time :1.5 minutes/1 pump stroke
            3) Detectable limit :1 ppm(200ml)
            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 :Yellow→Pale blue
            2. RELATIVE STANDARD DEVIATION
            RSD-low:10% RSD-mid.:5% RSD-high:5%
            3. CHEMICAL REACTION
            Chromium oxide is reduced.
            CH3CO2CH=CH2+Cr6++H2SO4→Cr3+
            4. CALIBRATION OF THE TUBE
            GAS CHROMATOGRAPHY
            5. INTERFERENCE AND CROSS SENSITIVITY
            100
            ml
            ppm
            GAS To pump
            DEHUMIDIFIER
            (White)
            120
            100
            80
            60
            40
            20
            10
            237S VINYL ACETATE
            Substance Interference ppm Coexistence
            Acetic acid The accuracy of readings is not
            affected.
            Ethylene 150 The top of discoloured layer becomes
            unclear.
            Alcohols Similar stain is produced. Higher readings are given.
            Ethers 〃〃
            A(mlipohrea ttihca hny Cdr3o)carbons tWo hBorloew lany. er is discoloured 〃
            Aromatic hydrocarbons 〃〃
            Halogenated hydrocarbons 〃〃
            Esters 〃〃
            Ketones 〃〃
            (NOTE)
            In case of 2 pump strokes, following formula is available for the actual concentration.
            Actual concentration=1/2×Reading value

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