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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>> 111U丁基醚 Butyl ether 正丁醚(CH3CH2CH2CH2)2O 10-1200ppm

            丁基醚 Butyl ether 正丁醚(CH3CH2CH2CH2)2O 10-1200ppm

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            產(chǎn)品型號(hào)111U

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            所  在  地上海市

            更新時(shí)間:2025-04-21 12:14:13瀏覽次數(shù):1633次

            聯(lián)系我時(shí),請(qǐng)告知來(lái)自 化工儀器網(wǎng)
            丁基醚 Butyl ether 正丁醚 (CH3CH2CH2CH2)2O 10-1200ppm,111U ETHYL ACETATE (+)

            丁基醚 Butyl ether 正丁醚(CH3CH2CH2CH2)2O 10-1200ppm

            Tube 11U
            1. PERFORMANCE
            1) Measuring range :10-1,000 ppm
            Number of pump strokes 1(100mL)
            2) Sampling time :1.5 minutes / 1 pump stroke
            3) Detectable limit : 5 ppm
            4) Shelf life :2 years
            5) Operating temperature :10~40℃
            6) Temperature compensation :Necessary (See "TEMPERATURE CORRECTION TABLE" )
            7) Reading :Direct reading from the scale calibrated by 1 pump stroke
            8) Colour change :Yellow→Brown
            2. RELATIVE STANDARD DEVIATION
            RSD-low :10 % RSD-mid.:10 % RSD-high :5%
            3. CHEMICAL REACTION
            Chromium oxide is reduced.
            CH 3CO 2C 2H 5+Cr 6++H 2SO 4→Cr 3+
            4. CALIBRATION OF THE TUBE
            GAS CHROMATOGRAPHY
            5. INTERFERENCE AND CROSS SENSITIVITY
            GAS To pump
            111U ETHYL ACETATE
            TEMPERATURE CORRECTION COEFFICIENT TABLE
            Scale Correction Coefficient (at 20℃)
            Readings 10 ℃ 15 ℃ 20 ℃ 25 ℃ 30 ℃ 35 ℃ 40℃
            (ppm) (50 °F) (59°F) (68°F) (77 °F) (86°F) (95°F) (104°F )
            1,000 1.33 1.17 1.0 0.87 0.74 0.64 0.53
            Substance Interference Coexistence
            Alcohols Similar stain is produced. Higher reading are given.
            Esters 〃〃
            Ketones 〃〃
            Aromatic hydrocarbons 〃〃
            Whole reagent is discoloured
            It the top of brown stain is
            Paraffin hydrocarbons clear, the accuracy of
            Pale brown.
            readings is not affected.
            Halogenated hydrocarbons
            〃〃
            FIG.1
            0
            200
            400
            600
            800
            1000
            Trichloroethylene 〔ppm〕
            FIG.1 Influence of Trichloroethylene
            E thyl acetate indicating value 〔ppm 〕
            100 200 300
            800 1.38 1.19 1.0 0.86 0.73 0.63 0.53
            600 1.40 1.20 1.0 0.86 0.72 0.63 0.53
            400 1.40 1.20 1.0 0.85 0.70 0.58 0.46
            200 1.40 1.20 1.0 0.84 0.68 0.55 0.42
            100 1.50 1.25 1.0 0.81 0.62 0.48 0.33
            50 1.50 1.25 1.0 0.77 0.54 0.43 0.32
            30 1.50 1.25 1.0 0.77 0.53 0.42 0.30
            10 1.50 1.25 1.0 0.75 0.50 0.40 0.30
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