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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管>>氣體快速檢測管>> 184S丙烯腈氣體檢測管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

            丙烯腈氣體檢測管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

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            產(chǎn)品型號(hào)184S

            品       牌

            廠商性質(zhì)代理商

            所  在  地上海市

            更新時(shí)間:2025-04-21 11:35:43瀏覽次數(shù):1608次

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            丙烯腈氣體檢測管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%,氣體檢測管是用來檢測某種氣體在某一環(huán)境中所含濃度的簡易檢測裝置,通過檢測劑與被檢測氣體的反應(yīng)而出現(xiàn)顏色變化,來表示所測環(huán)境中的氣體濃度。在不用任何能源、電源的情況下,具有操作簡單、使用范圍廣、檢測準(zhǔn)確、即時(shí)性強(qiáng)和經(jīng)濟(jì)的特點(diǎn)。

            丙烯腈氣體檢測管184S ALLYL ALCOHOL (+) CH2=CHCN 0.1-3.5%

            Tube 84S
            1. PERFORMANCE
            1) Measuring range :20-500 ppm
            Number of pump strokes 1(100mr)
            2) Sampling time :1.5 minutes/1 pump stroke
            3) Detectable limit :5 ppm
            4) Shelf life :2 years
            5) Operating temperature :0~40℃
            6) Temperature compensation :Necessary(10~40℃)(See "TEMPERATURE CORRECTION TABLE")
            7) Reading :Graduations printed on the tube are calibrated by Methyl methacrylate at 1 pump
            stroke and Allyl alcohol concentration is determined by using a converstion chart.
            8) Colour change :Pale yellow→Pale blue
            2. RELATIVE STANDARD DEVIATION
            RSD-low:15% RSD-mid.:10% RSD-high:5%
            3. CHEMICAL REACTION
            Chromium oxide is reduced.
            H2C=CHCH2OH+Cr6++H2SO4→Cr3+
            4. CALIBRATION OF THE TUBE
            GAS CHROMATOGRAPHY
            5. INTERFERENCE AND CROSS SENSITIVITY
            20
            40
            60
            80
            100
            120
            140
            160
            10
            100ml
            ppm
            GAS To pump
            184S C ALLYL ALCOHOL
            Substance Interference Coexistence
            Alcohols Similar stain is produced. Higher readings are given.
            Ethers 〃〃
            Paraffin hydrocarbons(more than C3) Whole reagent is changed to Brown. 〃
            Aromatic hydrocarbons 〃〃
            Esters 〃〃
            Ketones 〃〃
            Halogenated hydrocarbons FIG.1 〃〃
            0
            200
            100
            300
            400
            500
            1,1,1-Trichloroethane〔ppm〕?
            FIG.1 Influence of 1,1,1-Trichloroentane
            Methyl methacrylate indicating value 〔ppm〕
            100 200 300 400 500 600
            50
            Concentration of Allyl alcohol(ppm)?
            Scale printed of Methyl methacrylate(ppm)?
            10
            20
            40
            60
            80
            100
            120
            140
            20
            100
            200
            300
            400
            500
            TEMPERATURE CORRECTION TABLE
            Scale True Concentration (ppm)
            Readings 0℃ 10℃ 20℃ 30℃ 40℃
            (ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
            500 - 600 500 430 380
            400 - 480 400 350 300
            300 480 360 300 260 230
            200 320 240 200 170 150
            100 240 120 100 90 80
            50 80 60 50 43 38
            20 32 24 20 17 15
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