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首页>产品中心>日本光明北川式气体检测管>气体快速检测管>238S糠醇C4H3OCH2OH气体检测管238S FURFURYL ALCOHOL 2-25ppm

糠醇C4H3OCH2OH气体检测管238S FURFURYL ALCOHOL 2-25ppm

简要描述:

糠醇C4H3OCH2OH检测管别 名 呋喃甲醇;氧茂甲醇 是一种重要的有机化工原料。主要用于生产糠醛树脂、呋喃树脂、糠醇-尿醛树脂、酚醛树脂等。也用于制备果酸、增塑剂、溶剂和火箭燃料等。另外,在染料、合成纤维、橡胶、农药和铸造等工业部门也有广泛的用途。健康危害:本品系刺激剂。高浓度持续吸入引起咳嗽、气短和胸部紧束感。*浓度可引起死亡。蒸气对眼有刺激性,液体可引起眼部炎症和角膜混浊。皮肤接触其液体,引起皮肤干燥和刺激。口服出现头痛、恶心,口腔和胃刺激。

更新时间:2024-09-24

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糠醇C4H3OCH2OH气体检测管238S FURFURYL ALCOHOL 2-25ppm

糠醇C4H3OCH2OH气体检测管238S FURFURYL ALCOHOL 2-25ppm

Tube No.238S

1. PERFORMANCE
1) Measuring range :2-25 ppm
Number of pump strokes 5(500ml)
2) Sampling time :5 minutes/5 pump strokes
3) Detectable limit :0.5 ppm
4) Shelf life :1 year
5) Operating temperature :10~40℃
6) Operating Humidity :Not affected at 20~90%RH
7) Reading :Direct reading from the scale calibrated by 5 pump strokes
8) Colour change :White→Black
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with Chromic acid, Polymer is produced.
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
􀀀􀀀
􀀀􀀀
GAS To pump
25
20
15
10
5
2
500ml
ppm
(White)
DEHUMIDIFIER
238S FURFURYL ALCOHOL
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 10℃ 20℃ 30℃ 40℃
(ppm) (32°F) (50°F) (68°F) (86°F) (104°F)
60 - - 60 35 25
50 - - 50 30 22
40 - 80 40 25 15
30 - 50 30 20 10
20 50 30 20 14 7
15 30 20 15 10 5
10 15 12 10 7 3
5 7 6 5 4 2
2 2 2 2 2 2