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(yè)有限公司
中級會員 | 第16年

17601355022

當(dāng)前位置:上海境宣實業(yè)有限公司>>日本光明北川式氣體檢測管>>氣體快速檢測管>> 126SH二氧化碳CO2檢測管126SH CARBON DIOXIDE 1-20%

二氧化碳CO2檢測管126SH CARBON DIOXIDE 1-20%

參  考  價面議
具體成交價以合同協(xié)議為準(zhǔn)

產(chǎn)品型號126SH

品       牌

廠商性質(zhì)代理商

所  在  地上海市

更新時間:2024-11-27 16:00:51瀏覽次數(shù):1228次

聯(lián)系我時,請告知來自 化工儀器網(wǎng)
二氧化碳CO2氣體測毒管126SG CARBON DIOXIDE 0.02-1.4% 126SH CARBON DIOXIDE 1-20% 氣體檢測管,迅速、簡單、準(zhǔn)確地對所有氣體進行檢測和測定的直讀式氣體檢測管。直讀式氣體檢測管

二氧化碳CO2檢測管126SH CARBON DIOXIDE 1-20%

Tube No.
1. PERFORMANCE
1) Measuring range :1-20%
Number of pump strokes 1(100ml)
2) Sampling time :1 minute/1 pump stroke
3) Detectable limit :0.2%
4) Shelf life :2 years
5) Operating temperature :0~40℃
6) Reading :Direct reading from the scale calibrated by 1 pump stroke
7) Colour change :Pink→Yellow
2. RELATIVE STANDARD DEVIATION
RSD-low:5% RSD-mid.:5% RSD-high:5%
3. CHEMICAL REACTION
By reacting with alkali, PH indicator is discoloured.
CO2+2KOH→K2CO3+H2O
4. CALIBRATION OF THE TUBE
STANDARD GAS CYLINDER METHOD
5. INTERFERENCE AND CROSS SENSITIVITY
%
12
4
6
8
10
12
14
16
18
20
GAS To pump
126SH CARBON DIOXIDE
Substance ppm Interference ppm Coexistence
Similar stain is produced,but if there
Nitrogen dioxide FIG.1 50 White stain is produced. 50 is more than 3%of CO2,the accuracy
of readings is not affected.
Sulphur dioxide FIG.2 3,000 Similar stain is produced. 3,000 Higher readings are given.
Hydrogen sulphide FIG.3 4,000 〃3,000 〃
0
10
5
Sulphur dioxide〔ppm〕?
FIG.2 Influence of Sulphur dioxide
Carbon dioxide
indicating value 〔%〕
2000 4000 6000
Coexistence
Interference
0
10
5
Nitrogen dioxide〔ppm〕?
FIG.1 Influence of Nitrogen dioxide
Carbon dioxide
indicating value 〔%〕
500 1000
Coexistence
Interference
0
10
5
Hyrogen sulphide〔ppm〕?
FIG.3 Influence of Hydrogen sulphide
Carbon dioxide
indicating value 〔%〕
2000 4000 6000
Coexistence
Interference
www.r-biopharm.com.cn

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(biāo)簽:
保存成功

(空格分隔,最多3個,單個標(biāo)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(fù)您~
撥打電話
在線留言
主站蜘蛛池模板: 乌鲁木齐市| 彩票| 独山县| 津市市| 新乡县| 乌海市| 都昌县| 闸北区| 苍南县| 武鸣县| 河池市| 孝义市| 宣汉县| 东兰县| 黎平县| 玉龙| 沁阳市| 军事| 天柱县| 名山县| 来宾市| 汝南县| 肥西县| 大宁县| 福安市| 乃东县| 酉阳| 广州市| 任丘市| 略阳县| 宜兰市| 攀枝花市| 和林格尔县| 鄂州市| 海盐县| 通许县| 金塔县| 凤城市| 博野县| 澎湖县| 古田县|