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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>> 138U醋酸丁酯檢測(cè)管 BUTYL ACETATE 10-400ppm CH3CO2C4H9

            醋酸丁酯檢測(cè)管 BUTYL ACETATE 10-400ppm CH3CO2C4H9

            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)138U

            品       牌

            廠商性質(zhì)代理商

            所  在  地上海市

            更新時(shí)間:2025-04-21 12:05:14瀏覽次數(shù):1503次

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            醋酸丁酯檢測(cè)管 乙酸丁酯 乙酸正丁酯 Butyl acetate138U BUTYL ACETATE 10-400ppm 醋酸丁酯檢測(cè)管 BUTYL ACETATE 10-400ppm CH3CO2C4H9用批量生產(chǎn)的氣體檢測(cè)管進(jìn)行氣體分析其精密度誤差應(yīng)是很小的,這是因?yàn)槠鋬?nèi)在質(zhì)量相同,加之使用簡(jiǎn)便,外來(lái)引入誤差很少而造成的,經(jīng)驗(yàn)上一般不會(huì)大于7%。

            醋酸丁酯檢測(cè)管138U BUTYL ACETATE 10-400ppm CH3CO2C4H9

            Tube 38U
            1. PERFORMANCE
            1) Measuring range :10-400 ppm
            Number of pump strokes 1(100ml)
            2) Sampling time 1.5 minutes/1 pump stroke
            3) Detectable limit :10 ppm
            4) Shelf life :1 year
            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 :Pale yellow→Pale blue(The top of discoloured layer is to Brown.)
            2. RELATIVE STANDARD DEVIATION
            RSD-low:10% RSD-mid.:10% RSD-high:10%
            3. CHEMICAL REACTION
            Potassium dichromate is reduced.
            CH3CO2(CH2)3CH3+Cr6+H2SO4→Cr3+
            4. CALIBRATION OF THE TUBE
            GAS CHROMATOGRAPHY
            5. INTERFERENCE AND CROSS SENSITIVITY
            400
            300
            200
            150
            100
            50
            30
            15
            10
            20
            GAS To pump
            DEHUMIDIFIER
            (White)
            138U BUTYL ACETATE
            Substance Interference Coexistence
            Esters Similar stain is produced. Higher readings are given.
            Alcohols FIG.1 〃〃
            Ketones 〃〃
            Aromatic hydrocarbons Whole reagent is changed to Pale brown. 〃
            0
            200
            300
            100
            400
            50
            Methanol〔ppm〕?
            FIG.1 Influence of Methanol
            Butyl acetate indicating value 〔ppm〕
            1000 2000 3000 4000 5000
            TEMPERATURE CORRECTION TABLE
            Scale True Concentration (ppm)
            Readings 10℃ 15℃ 20℃ 25℃ 30℃ 35℃ 40℃
            (ppm) (50°F) (59°F) (68°F) (77°F) (80°F) (95°F) (95°F)
            400 - - 400 235 180 145 120
            300 - - 300 185 145 120 100
            200 - 345 200 140 110 95 80
            150 - 255 150 115 95 80 70
            100 - 145 100 80 70 60 50
            50 90 65 50 40 35 30 30
            30 45 35 30 25 25 20 20
            15 20 20 15 15 10 10 10
            www.r-biopharm.com.cn
            www.r-biopharm.com.cn

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