久久5-久久4-久久3-久久2019-一个人hd高清在线观看免费一-一个人hd高清在线观看免费

標(biāo)準(zhǔn)品/水中甲醛

標(biāo)準(zhǔn)品/水中甲醛
產(chǎn)品編號:93167b
CAS號:50-00-0
規(guī)格:1mL
有效期:2026-03-27
品牌:TMstandard
標(biāo)準(zhǔn)值:1000μg/mL

分享到:

資料下載

水中甲醛

Reference Material

This certificate is designed in accordance with ISO 17034 and ISO Guide 31. This reference material (RM) was designed,produced and verified in accordance with ISO/IEC 17025ISO 17034 and a registered quality management system ISO 9001.

Product Name(產(chǎn)品名稱) Formaldehyde in Water,1000μg/mL(水中甲醛)
Part Number(產(chǎn)品編號)93167b
 
Lot Number(產(chǎn)品批號)-
 
CAS No.50-00-0
 
Mol. Formula(分子式)CH2O
 
Mol. Weight(分子量)30.03___________________________________
 
Storage Temp(存儲條件)(2-8)℃,Keep in the shade
(2~8)℃冷藏,置于陰涼處
 
Transportation(運輸條件)Normal temperature transportation(常溫運輸)
QC Test Results
ItemTest Results


Analysis method(分析方法)GC/FID


Concentration(濃度)1000μg/mL


Relative Expanded Uncertainty(k=2)(相對擴(kuò)展不確定度)2%


Expiry Date(失效日期)2026-Mar-27


Uncertainty

The certified value(s) and uncertainty(ies) are determined in accordance with ISO 17034 with an 95% confidence level (k=2). Uncertainty is based on the Total Combined Uncertainty, including uncertainties of preparation, purity of neat materials, homogeneity, stability testing.

Traceability

The balances used for gravimetric measurements are calibrated with weights traceable to the national standards. The calibration of the balances is verified annually by an external accredited calibration service. This analysis method has been verified using an approach consistent with ISO 17034:2016 & ISO 17025:2017.


壇墨質(zhì)檢
  • 電話

    4008-099-669

    手機(jī)

    18168802993

在線客服
主站蜘蛛池模板: 国产欧美日韩精品a在线观看高清 | 本道久久综合88全国最大色 | 亚洲欧美在线一区二区 | 四虎影院永久在线观看 | 欧美日本亚洲国产一区二区 | 自拍偷自拍亚洲精品情侣 | 成人午夜一区二区三区视频 | 福利视频欧美一区二区三区 | 色丁香在线观看 | 中国bdsm国语对白视频 | 香蕉欧美成人精品a∨在线观看 | 国产a视频| 亚洲日韩欧美一区二区在线 | 性欧美处| 欧美四虎影院 | 日本欧美大码a在线视频播放 | 99视频在线精品免费 | 日韩欧美视频一区二区 | 色猪网站| 啦啦啦免费高清在线影院 | 综合图区亚洲网友自拍 | 狠狠色噜噜狠狠狠狠97老肥女 | 欧美久久久久久久一区二区三区 | 成人香蕉网 | 久久99精品久久久久子伦 | 午夜色大片在线观看 | 岛国大片在线免费观看 | 亚洲国产欧美一区 | 天堂成人影院 | 九九热精品视频在线 | 厚颜无耻韩国动漫免费观看5 | 国产成社区在线视频观看 | 99er在线视频| 婷婷激情综合五月天 | 午夜欧美成人香蕉剧场 | 色综合久久88中文字幕 | 蜜桃tv在线观看 | 在线免费不卡视频 | 日本特黄一级片 | 轻点灬大ji巴太粗太大了小说 | 国产精品色 |