亚洲中文字幕啪啪一区二区,看亚洲欧洲在线视频,国产福利不卡在线视频,欧美日韩一区二区人妻

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>216S丙烯酸氣體檢測管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

丙烯酸氣體檢測管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

簡要描述:

丙烯酸氣體檢測管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm,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)。

更新時(shí)間:2024-11-20

發(fā)郵件給我們:554328895@qq.com

分享到: 1
在線留言
丙烯酸氣體檢測管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

丙烯酸氣體檢測管 216S ACRYLIC ACID (+) CH2=CHCOOH 1-50ppm

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
www.r-biopharm.com.cn

扎赉特旗| 镇雄县| 开平市| 东光县| 南丰县| 曲阳县| 额尔古纳市| 东平县| 郴州市| 门源| 本溪| 和静县| 左贡县| 南澳县| 广南县| 宁海县| 白城市| 寿光市| 舞阳县| 安达市| 台安县| 普定县| 河西区| 左云县| 合作市| 大埔县| 乐山市| 桐庐县| 卓资县| 德州市| 克东县| 密云县| 南涧| 达拉特旗| 军事| 新巴尔虎右旗| 桂阳县| 昌都县| 城口县| 讷河市| 武山县|