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            上海境宣實(shí)業(yè)有限公司
            中級(jí)會(huì)員 | 第17年

            17601355022

            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>> 208U異丁醇(CH3)2CHCH2OH氣體檢測(cè)管208U ISOBUTYLALCOHOL 5-100ppm

            異丁醇(CH3)2CHCH2OH氣體檢測(cè)管208U ISOBUTYLALCOHOL 5-100ppm

            參  考  價(jià)面議
            具體成交價(jià)以合同協(xié)議為準(zhǔn)

            產(chǎn)品型號(hào)208U

            品       牌

            廠商性質(zhì)代理商

            所  在  地上海市

            更新時(shí)間:2025-05-20 20:37:43瀏覽次數(shù):1597次

            聯(lián)系我時(shí),請(qǐng)告知來(lái)自 化工儀器網(wǎng)
            異丁醇(CH3)2CHCH2OH氣體檢測(cè)管208U ISOBUTYL ALCOHOL 5-100ppm,健康危害: 較高濃度蒸氣對(duì)眼睛、皮膚、粘膜和上呼吸道有刺激作用。眼角膜表層形成空泡,還可引起食欲減退和體重減輕。涂于皮膚,引起局部輕度充血及紅斑。危險(xiǎn)特性: 易燃,其蒸氣與空氣可形成爆炸性混合物,遇明火、高熱能引起燃燒爆炸。受熱分解放出有毒氣體。與氧化劑能發(fā)生強(qiáng)烈反應(yīng)。在火場(chǎng)中,受熱的容器有爆炸危險(xiǎn)。 有害燃燒產(chǎn)物: 一氧化碳、二氧化碳。

            異丁醇(CH3)2CHCH2OH氣體檢測(cè)管208U ISOBUTYL ALCOHOL 5-100ppm

            Tube No.208U

            1. PERFORMANCE
            1) Measuring range :5-100 ppm
            Number of pump strokes 3(300ml)
            2) Sampling time :4.5 minutes/3 pump strokes
            3) Detectable limit :2 ppm
            4) Shelf life :2 years
            5) Operating temperature :0~40℃
            6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
            7) Reading :Direct reading from the scale calibrated by 3 pump strokes
            8) Colour change :Yellow→Pale blue
            2. RELATIVE STANDARD DEVIATION
            RSD-low:10% RSD-mid.:10% RSD-high:5%
            3. CHEMICAL REACTION
            Chromium oxide is reduced.
            (CH3)2CHCH2OH+Cr6++H2SO4→Cr3+
            4. CALIBRATION OF THE TUBE
            GAS CHROMATOGRAPHY
            5. INTERFERENCE AND CROSS SENSITIVITY
            GAS To pump
            100
            10
            20
            40
            60
            80
            5
            300ml
            ppm
            (White)
            DEHUMIDIFIER
            ????
            208U ISOBUTYL ALCOHOL
            Substance ppm Interference Coexistence
            Alcohols FIG.1 Similar stain is produced. Higher readings are given.
            Toluene 200 bWluheo.le reagent is changed to Pale 〃
            Hexane 1,000 The accuracy of readings is not The accuracy of readings is
            affected. not affected.
            Trichloroethylene 1,000 〃〃
            Ethyl acetate FIG.2 1,000 〃〃
            0
            100
            50
            Ethanol〔ppm〕?
            FIG.1 Influence of Ethanol
            iso-Butyl alcohol
            indicating value 〔ppm〕
            50 100
            Coexistence
            Interference
            0
            100
            50
            Ethyl acetate〔ppm〕?
            FIG.2 Influence of Ethyl acetate
            iso-Butyl alcohol
            indicating value 〔ppm〕
            50 100
            TEMPERATURE CORRECTION TABLE
            Scale True Concentration (ppm)
            Readings 0℃ 10℃ 20℃ 30℃ 40℃
            (ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
            100 - - 100 85 80
            80 - 100 80 75 60
            60 95 70 60 53 50
            40 58 47 40 36 34
            20 27 22 20 18 17
            10 13 11 10 9 8
            5 5 5 5 5 5

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