久久久久久精品成人免费图片,(原创)露脸自拍[62p],免费60分钟床,国内最真实的xxxx人伦

產(chǎn)品列表PRODUCTS LIST

首頁>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,其毒性還和接觸時間有關(guān),例如長期接觸 1.748×10 -7mol/L(4ppm) 以下的臭氧會引起*性心臟障礙,但接觸 20ppm 以下的臭氧不超過 2h,對人體無*性危害。 VINYL CHLORIDE (-) 氯乙烯檢測管,C6H4Cl(CH3) m-Chlorotoluene

更新時間:2025-01-08

在線留言
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

无码人妻丰满熟妇区五十路| 封神榜之凤鸣岐山| 性一交一乱一乱一视一频| 欧美熟妇vivoe精品| 性xxxxfreexxxxx| 97精品超碰一区二区三区| 女人洗澡沐浴露全身| 国产jazz亚洲护士无码| 亚洲精品无码永久中文字幕| 公交车被CAO得合不拢腿| 日本护士毛茸茸| 久久热精品视频| 极品少妇xxxx精品少妇偷拍| 久久久久久亚洲精品| 少妇人妻偷人精品一区二区| 国产特级毛片aaaaaa| 无码精品人妻一区二区三区av | 甜性涩爱在线播放| 丰满岳跪趴高撅肥臀| 亚洲欧美日韩一区二区| 国产真实伦熟女实例hd| 宿主每日被guan满的日常| 色婷婷狠狠18禁久久yy| 琪琪成人影视啪啪成人片 | 亚洲综合小说另类图片动图| 国产一精品一av一免费| 农村诱奷小箩莉h文合集| 日韩av在线观看| 制服丝袜中文字幕在线| 扒开粉嫩小泬舌头伸进去视频| 女人被躁到高潮嗷嗷叫视频| 同学的妺妺2在线观看| 成免费crm在线看系统| 亚洲成av人片一区二区密柚| 琪琪成人影视啪啪成人片| 国产精品18久久久久久vr| 国产精品无码av在线播放 | 免费a片在线观看| 国产成人无码av片在线观看| 人妻丰满熟妇岳av无码区hd| 人色偷偷色av噜噜狠狠99|