国产午夜毛片v区一区二区三区-av一区二区三区伊人-殴美黄色大片在线观看-最近最新中文字幕一区二区三区

產(chǎn)品列表PRODUCTS LIST

首頁>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>102SD丙酮檢知管102SD ACETONE CH3COCH3 20-5000ppm

丙酮檢知管102SD ACETONE CH3COCH3 20-5000ppm

簡要描述:

丙酮檢知管102SD ACETONE CH3COCH3 20-5000ppm,

更新時間:2025-03-10

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
丙酮檢知管102SD ACETONE CH3COCH3 20-5000ppm

丙酮檢知管102SD ACETONE CH3COCH3 20-5000ppm

Tube 02SD
1. PERFORMANCE
1) Measuring range :125-5,000 ppm 50-2,000 ppm 20-800 ppm
Number of pump strokes 1 / 2(50mL) 1(100mL ) 2(200mL)
2) Sampling time :1.5 minutes / 1 pump stroke
3) Detectable limit :10 ppm(200mL)
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 1 pump stroke
8) Colour change :Yellow→Dark brown
2. RELATIVE STANDARD DEVIATION
RSD-low :10 % RSD-mid.:5 % RSD-high :5%
3. CHEMICAL REACTION
Chromium oxide is reduced.
CH 3COCH 3+Cr6++H 2SO 4→Cr3+
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
102SD ACETONE
Substance Interference Coexistence
Alcohols Brown stain is produced. Higher readings are given.
Other Ketones 〃〃
Esters 〃〃
Aromatic hydrocarbons 〃〃
Paraffin hydrocarbons
If the top of discoloured
layer is possible to read,
the accuracy of readings is
not affected.

(more than C )
Halogenated hydrocarbons 〃〃
(NOTE)
In case of 1 / 2 or 2 pump strokes, following formula is available for the actual concentration.
1 / 2 stroke:s Actual concentration = 2.5 ×Temperature corrected value
2 stroke:s Actual concentration = 0.4 ×Temperature corrected value
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0 ℃ 10 ℃ 20 ℃ 30 ℃ 40 ℃
(ppm) (32 °F) (50 °F) (68 °F) (86 °F) (104°F)
2,000 3,500 2,800 2,000 1,600 1,300
1,500 2,750 2,000 1,500 1,250 1,000
800 1,300 1,000 800 700 600
600 1,000 800 600 550 450
400 650 500 400 350 300
200 300 200 200 200 200
100 200 100 100 100 100
:
:
50 100 50 50 50 50
1,000 1,670 1,250 1,000 850 700
GAS To pump
DEHUMIDIFIER
(White)
3
www.r-biopharm.com.cn

清远市| 项城市| 于都县| 黄梅县| 洪湖市| 仁寿县| 醴陵市| 霍邱县| 乌审旗| 建瓯市| 平江县| 福州市| 平邑县| 同仁县| 云浮市| 阿拉善盟| 历史| 阳泉市| 莲花县| 闵行区| 梁山县| 响水县| 白朗县| 晋江市| 涡阳县| 汉中市| 涿鹿县| 恩平市| 汶川县| 二连浩特市| 蒲江县| 惠东县| 墨竹工卡县| 分宜县| 定日县| 临桂县| 和林格尔县| 财经| 垦利县| 定边县| 江西省|