插逼逼视频试看,放荡的丝袜美腿护士老师,久久久久久99精品一区,同性男男黄h片在线播放

當前位置:首頁  >  產(chǎn)品展示  >  空氣采樣設(shè)備  >  被動式氣體采樣設(shè)備  >  500-100UMEx 100甲醛被動式采樣器

UMEx 100甲醛被動式采樣器

【概要描述】500-100 UMEx 100甲醛被動式采樣器美國skc價格,UMEx 100 Passive Sampler for Formaldehyde UMEx 200 Passive Sampler for SO2/NO2UMEx 300 Passive Sampler for Ammonia被動采樣器的umex 100有一個低2 ppb的檢測限(采樣甲醛。

型號:500-100 點擊量:2285 廠商性質(zhì):代理商 更新日期:2024-09-23
產(chǎn)品詳情
品牌SKC/美國

UMEx 100甲醛被動式采樣器

被動采樣器的umex 100有一個低2 ppb的檢測限(采樣甲醛。單一使用膠帶umex 100包含一處理與2,4-二硝基苯肼(摘要)可靠的收集。采樣率是validated從15分鐘的兩個24小時或7天。分析performed市冰的高效液相色譜法(HPLC)。

UMEx 100甲醛被動式采樣器

Performance Profile

Sampling Rate for Formaldehyde

28.6 ml/min with a RSD of 7.6% at wind velocity of 5 to 100 cm/sec for 15 minutes to 24 hours
20.4 ml/min at wind velocities < 5 cm/sec for 1 to 7 days

See the More Information tab for UMEx 100 sampling rates for other aldehydes.

Detection Principle

Formation of stable DNPH-hydrazone in the presence of formaldehyde

Validation Range

0.06 to 3.0 ppm

Lower Detection Limits

15 min: 200 ppb (0.24 mg/m3)
8 hrs: 5 ppb (0.006 mg/m3)
24 hrs: 2 ppb (0.002 mg/m3)
7 days: 0.2 ppb (0.0002 mg/m3)

Shelf-life

12-mos from date of manufacture at < 39.2 F ([4 C])

Capacity

29 μg/sample

Analysis

Solvent extraction and analysis by HPLC (high-performance liquid chromatography) with UV detection

Accuracy

± 25%, exceeds OSHA requirements

Storage

Before use: < 39.2 F ([4 C])
After use: < 39.2 F ([4 C]) and analyze within 3 weeks
Do not store with food.

Temperature Effects

No effect on sampling rate between 10 and 30 C

Humidity Effects

No effect from 10 to 80% relative humidity (RH)
Do not use sampler below 10% RH.

Wind Effects

No effect from 5 to 100 cm/sec

Interferences?

Large amounts of carbonyl compounds may reduce the uptake of formaldehyde.

Use in ozone levels < 0.5 ppm.

Dimensions

3.4 x 1.1 x .35 in (8.6 x 2.8 x .89 cm)

Weight

0.38 oz (10.8 gm)
Note:If sampling in an atmosphere containing formalin, see Sampling Formaldehyde from Formalin Using Passive Samplers for field study information.

對甲醛的準確和可靠的采集
冰,保證樣品的完整性
精度超過OSHA標準
辨別流行2,4-二硝基苯肼化學
城市validated OSHA和瑞典研究所
經(jīng)濟和容易使用
無泵或培訓所需的
低成本的樣品
樣品和空白介質(zhì)/校正在一個單元
documented吸收率
15分鐘的兩個24小時的樣品
7天的樣本
兩個歐盟conforms ISO 16000 2004年4
符合OSHA規(guī)范方法1007?大學
在環(huán)保型IP 6C
高度敏感和特異性分析方法
小鴨子unobtrusive
使用兩個簡單的“開/關(guān)"滑蓋
安全
沒有玻璃或化工液體的樣品
樣品濃度的甲醛*
28.6毫升/分鐘enhances吸收率的靈敏度為15分鐘,8小時,和24小時的采樣
多功能的樣品
工作場所的采樣從兩個12小時15分鐘
長期的室內(nèi)空氣采樣率與validated 24小時和7天的樣本
如果在一個*的采樣氣含甲醛,甲醛,甲醛采樣從使用被動samplers(PDF)的現(xiàn)場研究的信息。


訂貨號描述價格/人民幣
500-100SAMPLER, UMEX-FORMALDEHYDE, 10PK2504 
500-100ASAMPLER, UMEX-FORMALDEHYDE, 25PK5969 
Cat. No.Description+
P20084Treated Tape, UMEx 100 Passive Sampler, for QC purposes only, pk/50Treated Tape, UMEx 100 Passive Sampler, for QC purposes only, pk/50
Treated Tape, UMEx 100 Passive Sampler, for QC purposes only; single use only, pk/50
500-100UMEx 100 Passive Sampler, for Formaldehyde, Pk/10UMEx 100 Passive Sampler, for Formaldehyde, Pk/10
UMEx 100 Passive Sampler, for formaldehyde; detection range from 5 ppb to 5 ppm; 15-minute to 24-hour samples and 7-day samples (sampling periods between 24 hours and 7 days have not been evaluated); single use only, pk/10 Limited shelf-life; freezer storage required Meets OSHA Method 1007 specifications If sampling in an atmosphere containing formalin, see www.skcinc。。com/instructions/1795.pdf for field study information.
500-100AUMEx 100 Passive Sampler, for Formaldehyde, Pk/25UMEx 100 Passive Sampler, for Formaldehyde, Pk/25
UMEx 100 Passive Sampler for Formaldehyde; detection range from 5 ppb to 5 ppm; 15-minute to 24-hour samples and 7-day samples (sampling periods between 24 hours and 7 days have not been evaluated); single use only, pk/25 Limited shelf-life; freezer storage required Meets OSHA Method 1007 specifications If sampling in an atmosphere containing formalin, see www.skcic。。com/instructions/1795.pdf for field study information.

聯(lián)系方式

郵箱:13310000820@163.com 地址:上海市嘉定區(qū)槎溪路222弄10號樓101室
咨詢熱線

021-69896317

(周一至周日9:00-19:00) 在線咨詢
1688網(wǎng)站
微信二維碼
上海會彬儀器有限公司©2025版權(quán)所有    備案號:滬ICP備15019479號-1 技術(shù)支持:化工儀器網(wǎng)    管理登陸    sitemap.xml
被三个男人绑着躁我好爽 | 色综合色综合色综合色欲| 国产欧美日韩黄片免费看| 国产插入麻麻的骚穴视频| 欧美黑人又粗又大的性格特点| 老妇女内射国语对白九色| 一区二区三区亚洲电影在线| 欧美日本一区精品在线视频| 小仙女裸身自慰下面出水| 久久亚洲精品中文字幕馆| 正在播放露脸大叫你轻点| 12—13女人做a片| 双腿夹肉棒av乱伦视屏| 国产日本韩国欧美一区二区| 黄片儿靠逼美女| 黑丝美女被触手操到高潮| 精品久久天干天天天按摩| 久久久久久麻豆| 我被五个黑人p了一夜| 亚洲熟女综合久久29p| 68国产成人综合久久精品| 又爽又猛又黄的人妻视频| 啊啊啊啊啊啊用力插视频| 99热这里只有精品最新| 天天噜日日噜狠狠噜免费| 让少妇高潮无乱码高清在线观看| 女人插大屌毛片| 亚洲精品久久久蜜桃下载| 人妻少妇精品性色av免费| 国产高清久久久国产精品| 狠狠人妻久久久久久四季| 乖把生殖腔打开让我进去| 国精产品999一区二区三区有限| 美女三级操逼视频出镜面| 嗯啊啊啊大jb网站视频| 青青操在线视频观看免费| 大鸡巴操逼电影| 欧美精品在线播放第一页| 黑丝美女逼逼操死流白浆| 农村肥bwbwbwbwbw| 有美女富婆操逼的视频吗|