www.cgongxi.com-国产日产久久高清欧美一区WW,国产在线观看无码免费视频,国产日产久久高清欧美一区WW,国模欢欢炮交啪啪150P

產(chǎn)品列表PRODUCTS LIST

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>130U甲硫醇CH3SH氣體檢測管130U METHYL MERCAPTAN 0.5-10ppm

甲硫醇CH3SH氣體檢測管130U METHYL MERCAPTAN 0.5-10ppm

簡(jiǎn)要描述:

甲硫醇CH3SH氣體檢測管130U METHYL MERCAPTAN 0.5-10ppm,甲硫醇又名硫氫甲烷、甲烷硫醇,是一種無(wú)色氣體,作為一種重要的有機會(huì )成中間體,主要用于合成材料、農藥和醫藥等方面。健康危害: 吸入后可引起頭痛、惡心及不同程度的麻醉作用;高濃度吸入可引起呼吸麻痹而死亡。環(huán)境危害:對環(huán)境有危害,對水體可造成污染。

更新時(shí)間:2024-07-14

在線(xiàn)留言
甲硫醇CH3SH氣體檢測管130U METHYL MERCAPTAN 0.5-10ppm

甲硫醇CH3SH氣體檢測管130U METHYL MERCAPTAN 0.5-10ppm

Tube 30U
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
????
????
??????????
??????????
????
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

八宿县| 襄垣县| 喀喇| 霍州市| 文昌市| 泰和县| 平和县| 青阳县| 辛集市| 印江| 九江市| 循化| 汉中市| 晋城| 城口县| 仙桃市| 三门县| 桓仁| 咸宁市| 怀安县| 奇台县| 从江县| 融水| 盐城市| 垫江县| 德昌县| 共和县| 呼玛县| 定陶县| 文昌市| 揭东县| 常德市| 安丘市| 上饶市| 南汇区| 建始县| 普定县| 镇巴县| 基隆市| 出国| 桃园市|