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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>130U甲硫醇CH3SH气体检测管130U METHYL MERCAPTAN 0.5-10ppm

甲硫醇CH3SH气体检测管130U METHYL MERCAPTAN 0.5-10ppm

简要描述:

甲硫醇CH3SH气体检测管130U METHYL MERCAPTAN 0.5-10ppm,甲硫醇又名硫氢甲烷、甲烷硫醇,是一种无色气体,作为一种重要的有机会成中间体,主要用于合成材料、农药和医药等方面。健康危害: 吸入后可引起头痛、恶心及不同程度的麻醉作用;高浓度吸入可引起呼吸麻痹而死亡。环境危害:对环境有危害,对水体可造成污染。

更新时间:2017-07-24

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甲硫醇CH3SH气体检测管130U METHYL MERCAPTAN 0.5-10ppm

甲硫醇CH3SH气体检测管130U METHYL MERCAPTAN 0.5-10ppm

Tube No.130U
1. PERFORMANCE
1) Measuring range :1-10 ppm 0.5-5 ppm
Number of pump strokes :1/2(50ml) 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2 ppm(100ml)
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by Methyl mercaptan at 1 pump stroke
7) Colour change :Pale yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with Mercuric cholride, Hydrogen chloride is produced and PH indicator is discoloured.
C2H5SH+HgCI2→RS(HgCI)+HCI
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
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GAS 􀀀􀀀 To pump
5
4
3
2
1
0.5
100ml
ppm
(White)
DEHUMIDIFIER
130U ETHYL MERCAPTAN
Substance Interference Coexistence
Arsine Similar stain is produced. Higher readings are given.
Hydrogen selenide 〃〃
Phosphine 〃〃
Hydrogen sulphide 〃
Hydrogen cyanide Whole reagent is changed to Red. 〃
Whole reagent is changed to
Sulphur dioxide Pale red, but Pink stain indicates
Mercaptans conc.
(NOTE)
In case of 1 / 2 pump strokes, following formula is available for the actual concentration.
Actual concentration=2×Reading value

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