国产一级a毛一级a看免费视频,久久久久久国产一级AV片,免费一级做a爰片久久毛片潮,国产精品女人精品久久久天天,99久久久无码国产精品免费了

上海境宣實業有限公司
中級會員 | 第17年

17601355022

當前位置:上海境宣實業有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 132SC氯乙烯檢知管價格132SC VINYL CHLORIDE 1-50ppm

氯乙烯檢知管價格132SC VINYL CHLORIDE 1-50ppm

參  考  價面議
具體成交價以合同協議為準

產品型號132SC

品       牌

廠商性質代理商

所  在  地上海市

更新時間:2025-05-12 16:21:21瀏覽次數:1373次

聯系我時,請告知來自 化工儀器網
對氯甲苯 p-Chlorotoluene ClC6H4CH3 132SC VINYL CHLORIDE (-) 氯乙烯檢知管價格,臭氧在空氣中的濃度單位是ppm或mg/m3;臭氧在水中的濃度單位是ppm或mg/L。換算方法:在空氣中時1ppm=2mg/m3;在水中時,1ppm=1mg/L。

對氯甲苯 p-Chlorotoluene ClC6H4CH3 132SC VINYL CHLORIDE (-) 氯乙烯檢知管價格

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

會員登錄

×

請輸入賬號

請輸入密碼

=

請輸驗證碼

收藏該商鋪

X
該信息已收藏!
標簽:
保存成功

(空格分隔,最多3個,單個標簽最多10個字符)

常用:

提示

X
您的留言已提交成功!我們將在第一時間回復您~
撥打電話
在線留言
主站蜘蛛池模板: 中宁县| 女性| 枝江市| 潼南县| 信丰县| 石嘴山市| 二连浩特市| 轮台县| 北海市| 泸州市| 古田县| 讷河市| 汕尾市| 昌黎县| 长阳| 石屏县| 镇江市| 邵东县| 青海省| 福州市| 泽普县| 大石桥市| 通道| 墨竹工卡县| 沙河市| 调兵山市| 东莞市| 临潭县| 英吉沙县| 收藏| 探索| 大方县| 潞城市| 垣曲县| 南部县| 拉孜县| 安康市| 化德县| 九江县| 临泽县| 高清|