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    首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>216S正戊酸CH3(CH2)3COOH氣體檢測管216S N-VALERIC ACID 3-70ppm

    正戊酸CH3(CH2)3COOH氣體檢測管216S N-VALERIC ACID 3-70ppm

    簡要描述:

    正戊酸CH3(CH2)3COOH氣體檢測管216S N-VALERIC ACID 3-70ppm,中文名稱: (正)戊酸,英文名稱: n-valeric acid,健康危害: 吸入、攝入或經皮膚吸收后對身體有害??梢鹱苽?。對眼睛、皮膚、粘膜和上呼吸道具有強烈刺激作用。吸入后,可引起喉、支氣管的炎癥、水腫、痙攣,化學性肺炎或肺水腫。接觸后可引起燒灼感、咳嗽、喘息、氣短、頭痛、惡心和嘔吐等。

    更新時間:2024-03-31

    在線留言
    正戊酸CH3(CH2)3COOH氣體檢測管216S N-VALERIC ACID 3-70ppm

    正戊酸CH3(CH2)3COOH氣體檢測管216S N-VALERIC ACID 3-70ppm

    Tube No.216S
    1. PERFORMANCE
    1) Measuring range :1-50 ppm
    Number of pump strokes 1(100ml)
    2) Sampling time :1.5 minutes/1 pump stroke
    3) Detectable limit :0.2 ppm
    4) Shelf life :3 years
    5) Operating temperature :0~40℃
    6) Temperature compensation :Necessary(See "TEMPERATURE CORRECTION TABLE")
    7) Reading :Direct reading from the scale calibrated by 1 pump stroke
    8) Colour change :Pale Pink→Yellow
    2. RELATIVE STANDARD DEVIATION
    RSD-low:15% RSD-mid.:10% RSD-high:10%
    3. CHEMICAL REACTION
    By reacting with alkali,PH indicator is discoloured.
    CH3COOH+NaOH→CH3CO2Na+H2O
    4. CALIBRATION OF THE TUBE
    DIFFUSION TUBE METHOD
    5. INTERFERENCE AND CROSS SENSITIVITY
    3
    1
    ppm
    100ml
    GAS To pump
    5
    10
    20
    30
    40
    50
    216S ACETIC ACID
    Substance ppm Interference ppm Coexistence
    Sulphur dioxide Similar stain is produced. 1/20×Acetic Higher readings are given.
    acid
    Nitrogen dioxide 300 〃10 Unclear stain is produced.
    Hydrogen chloride Pink stain is produced. 2×Acetic FIG.1 acid Higher readings are given.
    Chlorine FIG.2 Yellow stain is produced. 5 〃
    TEMPERATURE CORRECTION TABLE
    Scale True Concentration (ppm)
    Readings 0℃ 10℃ 20℃ 30℃ 40℃
    (ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
    50 63 57 50 45 40
    40 50 45 40 36 31
    30 37 33 30 27 23
    20 24 22 20 18 16
    10 12 11 10 9 8
    5 6 6 5 5 4
    3 4 4 3 3 2
    1 1 1 1 1 1
    0
    50
    30
    20
    40
    10
    Hydrogen chloride〔ppm〕?
    FIG.1 Influence of Hydrogen chloride
    Acetic acid indicating value 〔ppm〕
    100 200 300
    Coexistence
    Interference
    0
    60
    20
    40
    Chlorine〔ppm〕?
    FIG.2 Influence of Chlorine
    Acetic acid indicating value 〔ppm〕
    250 500
    Coexistence
    Interference

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