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首頁(yè)>產(chǎn)品中心>日本光明北川式氣體檢測管>氣體快速檢測管>227S甲胺CH3NH2氣體檢測管227S METHYL AMINE 1-20ppm

甲胺CH3NH2氣體檢測管227S METHYL AMINE 1-20ppm

簡(jiǎn)要描述:

甲胺CH3NH2氣體檢測管227S METHYL AMINE 1-20ppm,中文名稱(chēng):甲胺;一甲胺;氨基甲烷;甲烷胺;胺甲烷(鋼瓶)英文名稱(chēng):METHYLAMINE;Monomethy lamine;Methanamine;Aminomethane(cylinder)屬低毒類(lèi),具有刺激性和腐蝕性。吸入后,可引起咽喉炎、支氣管炎、支氣管周?chē)?、支氣管肺炎,重者引起肺水腫而死亡;*濃度吸入引起喉頭痙攣、水腫窒息而死亡??芍潞粑雷苽?。對眼和皮膚有強烈刺激性,重者可致灼傷。攝入可致口、咽、食道灼傷

更新時(shí)間:2024-07-14

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甲胺CH3NH2氣體檢測管227S METHYL AMINE 1-20ppm

甲胺CH3NH2氣體檢測管227S METHYL AMINE 1-20ppm

Tube No.227S
1. PERFORMANCE
1) Measuring range :1-20 ppm
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pale purple→Pale yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By reacting with Phosphoric acid, PH indicator is discoloured.
CH3NH2+H3PO4→(CH3NH3)2HPO4
4. CALIBRATION OF THE TUBE
COLOURIMETRY METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
12
4
6
8
10
12
14
16
18
20
ppm
100ml
GAS To pump
DEHUMIDIFIER
(White)
227S METHYL AMINE
Substance Interference Coexistence
Ammonia Similar stain is produced. Higher readings are given
Other amines 〃〃

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