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>132SC間氯甲苯C6H4Cl(CH3)氣體檢測管132SC VINYL CHLORIDE 0.5-10ppm

間氯甲苯C6H4Cl(CH3)氣體檢測管132SC VINYL CHLORIDE 0.5-10ppm

簡(jiǎn)要描述:

對氯甲苯,間氯甲苯C6H4Cl(CH3) 氣體檢測管132SC VINYL CHLORIDE (-) 0.5-10ppm,其毒性還和接觸時(shí)間有關(guān),例如長(cháng)期接觸 1.748×10 -7mol/L(4ppm) 以下的臭氧會(huì )引起*性心臟障礙,但接觸 20ppm 以下的臭氧不超過(guò) 2h,對人體無(wú)*性危害。 VINYL CHLORIDE (-) 氯乙烯檢測管,C6H4Cl(CH3) m-Chlorotoluene

更新時(shí)間:2024-07-14

在線(xiàn)留言
間氯甲苯C6H4Cl(CH3)氣體檢測管132SC VINYL CHLORIDE 0.5-10ppm

氯乙烯檢測管,間氯甲苯C6H4Cl(CH3)氣體檢測管132SC VINYL CHLORIDE 0.5-10ppm

Tube 32SC
1. PERFORMANCE
1) Measuring range :0.4-12.0 ppm 0.2-6.0 ppm 0.1-3.0 ppm
Number of pump strokes 1(100ml) 2(200ml) 4(400ml)
2) Sampling time :3 minutes/2 pump strokes
3) Detectable limit :0.05 ppm(400ml)
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessary(0~15℃)(See "TEMPERATURE CORRECTION TABLE")
7) Reading :Direct reading from the scale calibrated by 2 pump strokes
8) Colour change :Greenish yellow→Pink
2. RELATIVE STANDARD DEVIATION
RSD-low:10% RSD-mid.:10% RSD-high:10%
3. CHEMICAL REACTION
By decomposing with an Oxidizer, Hydrogen chlorine is produced and PH indicator is discoloured.
CH2=CHCI+CrO3+H2SO4→HCI
4. CALIBRATION OF THE TUBE
GAS CHROMATOGRAPHY
5. INTERFERENCE AND CROSS SENSITIVITY
GAS To pump
PRETEAT TUBE DETECTOR TUBE
6.0
5.0
4.0
3.0
2.0
1.0
(White)
ppm
200ml
132SC VINYL CHLORIDE
Substance Interference ppm Coexistence
Acetylene 1% Lower readings are given.
Ethylene FIG.1 300 〃
Hydrogen chloride 200 Higher readings are given.
Chlorine Similar stain is produced. ch1lo0r×ideV cinoynlc. 〃
(NOTE)
In case of 1 or 4 pump strokes, following formula is available for the actual concentration.
Actual concentration=Temperature corrected value×2/Number of strokes
0
4.0
3.0
1.0
2.0
Ethylene〔ppm〕?
FIG.1 Influence of Ethylene Vinyl chloride indicating value 〔
ppm〕
100 200 300 400 500 600 700
TEMPERATURE CORRECTION TABLE
Scale True Concentration (ppm)
Readings 0℃ 5℃ 10℃ 15-40℃
(ppm) (32°F) (41°F) (50°F) (59°F)(104°F)
6.0 10.0 8.2 7.0 6.0
5.0 8.2 6.8 5.7 5.0
4.0 6.7 5.5 4.7 4.0
3.0 4.9 4.1 3.5 3.0
2.0 3.3 2.7 2.3 2.0
1.0 1.6 1.3 1.2 1.0

灌南县| 枣强县| 武胜县| 万全县| 清丰县| 滦平县| 乡城县| 临猗县| 宣威市| 牟定县| 会宁县| 宣城市| 平阴县| 罗甸县| 肃宁县| 太保市| 龙里县| 临沭县| 讷河市| 囊谦县| 石景山区| 昂仁县| 周宁县| 顺义区| 洪江市| 孟连| 延吉市| 个旧市| 蒲城县| 荃湾区| 灌南县| 通榆县| 连城县| 乐清市| 分宜县| 玛纳斯县| 广东省| 桓仁| 房产| 辽源市| 衡阳县|