亚洲精品一区二区三区中文字幕,23部禽亲女小丹慢慢张开双,妺妺窝人体色www在线下载,xxxx丰满小少妇女高潮

產品列表PRODUCTS LIST

首頁>產品中心>日本光明北川式氣體檢測管>氣體快速檢測管>247S過氧化氫H2O2氣體檢測管247S Hydrogen Peroxide 0.5-10ppm

過氧化氫H2O2氣體檢測管247S Hydrogen Peroxide 0.5-10ppm

簡要描述:

過氧化氫H2O2氣體檢測管247S Hydrogen Peroxide 0.5-10ppm,外觀與性狀: 水溶液為無色透明液體,有微弱的特殊氣味。純過氧化氫是淡藍色的油狀液體。在不同的情況下可有氧化作用或還原作用。可用氧化劑、漂白劑、消毒劑、脫氯劑,并供火箭燃料、有機或無機過氧化物、泡沫塑料和其他多孔物質等。

更新時間:2025-01-08

在線留言
過氧化氫H2O2氣體檢測管247S Hydrogen Peroxide 0.5-10ppm

過氧化氫H2O2氣體檢測管247S Hydrogen Peroxide 0.5-10ppm


GAS To pump
1. PERFORMANCE
1) Measuring range :0.5-10ppm
Number of pump strokes
2) Sampling time :7.5 minutes/5 pump strokes
3) Detectable limit :0.2 ppm
4) Shelf life :3 years
5) Operating temperature :0~40℃
6) Temperature compensation :Necessar(y See "NOTE")
7) Reading :Direct reading from the scale calibrated by 5 pump strokes
8) Colour change :White → Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low :10% RSD-mid.: % RSD-high: %
3. CHEMICAL REACTION
By reacting with Titanium sulphate, yellow complex is generated.
4. CALIBRATION OF THE TUBE
DIFFUSION TUBE METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
Tube No.
247S HYDROGEN PEROXIDE
Substance Interference ppm
Chlorine The accuracy of reading is not
affected.
TEMPERATURE CORRECTION COEFFICIENT TABLE (AT 20℃)
Tepm. 0 2 4 6 8
0 1.32 1.28 1.25 1.23
10 1.09 1.07 1.06 1.05 1.03
5(500mL)
1 3 5 7
1.35 1.20
1.02
1.17
1.00
1.15
1.00
1.13
1.00
JAPAN
ppm
0.5
12468
10
500mL
H2O2 + Ti(SO4)2 → H2[TiO2(SO4)2]
Ozone
Nitrogen dioxide
Acetaldehyde
Formaldehyde 10 Lower readings are given.
The accuracy of reading is not
affected.
Coexistence
"
(℃) 9
1.11
1.00
"
"
"
"
"
"
(NOTE)
The scale is calibratd based on the temperature of 20℃ (68°). Readings obtained in other
temperature circumstances should be corrected with the following temperature correction
coefficient table.
F
Actual concentration = Reading value × Coefficient for temperature correction
10 10
www.r-biopharm.com.cn
Shanghai Betfair Biochemistry Technology Co., Ltd.
+86 21 64089850 +86 21 64835787 Website:www.r-biopharm.com.cn

hd女人奶水授乳milk| 亚洲综合久久日日躁综合| 小受被用各种姿势进入n视频| 极品粉嫩国产18尤物在线播放| 久久久综合香蕉尹人综合网| 色偷拍 自怕 亚洲 30p| 国产精品99久久av色婷婷综合 | 亲妺妺乱的性视频| 人妻偷人va精品国产旡码| 国产人妻高清国产拍精品| 中国青年gary东北大飞机打桩| 沦为黑人的泄欲工具| 亚洲精品www久久久久久| 金瓶梅在线播放| 女的让弄多少次下边才不紧| 色综合av综合无码综合网站| 国产人妻久久精品二区三区特黄 | 亚洲av无码av制服丝袜在线| 日韩毛片无码永久免费看| 国产欧美日韩| 亚洲色久悠悠av在线观看| 亲妺妺乱的性视频| 一天不日b浑身难受| 中文无码成人免费视频在线观看| 囗交姿势图3d效果展示图| 偷看各类wc女厕嘘嘘近距离| 杨敏思版1-5完整无删减版| 亚洲 欧美 自拍 第15页| 少妇人妻偷人精品一区二区| 成熟女人优雅涵养说说| 麻豆传煤入口免费进入2023 | 性直播视频在线观看| 色欲av精品一区二区三区| 翁止熄痒禁伦短文合集免费视频| 翁与小莹最新第九部| 国产一产二产三精华液区别在哪里| 黑人巨茎大战欧美白妇| 成人乱人乱一区二区三区| sm抽打调教女人光屁股的作文| 扒开美女内裤狂揉下部| 亲女禁h啪啪|