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標(biāo)準(zhǔn)品/乙二醇苯醚

型號：71619
類別：純品標(biāo)準(zhǔn)品
價格：150

標(biāo)準(zhǔn)品/乙二醇苯醚
產(chǎn)品編號：71619
CAS號：122-99-6
規(guī)格：250mg
有效期：2030-05-26
品牌：TMstandard
標(biāo)準(zhǔn)值：99.9%

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乙二醇苯醚

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 17025, ISO 17034 and a registered quality management system ISO 9001.

Product Name(產(chǎn)品名稱) 2-Phenoxyethanol(乙二醇苯醚)

Product Code(產(chǎn)品編號)71619

Lot Number(產(chǎn)品批號)-

CAS .122-99-6

Mol. Weight(分子量)138.16

Mol. Formula(分子式)C8H10O2

Melting Point(熔點)9.1℃(dec.)

Expiry Date(失效日期)2030-May-26

Boiling point(沸點)244.3℃(dec.)

Appearance(外觀)Liquid
(液體）________________

Storage Temp(存儲條件)(2-8)℃,Keep in the shade
(2~8)℃冷藏，置于陰涼處

Transportation(運(yùn)輸條件)Normal temperature transportation(常溫運(yùn)輸)

C E R T I F I E D

Purity

99.9%

C E R T I F I E D

Expanded Uncertainty (U)

0.5%

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 characterisation, homogeneity and stability testing. Stability values are based on real evidence opposed to simulation.

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.

CERTIFICATE ON	QC SIGNATURE
-		RM Release

Method of Identification

Intended Use

This RM is intended for use in a laboratory as a calibration and quality control standard or in method development for analytical techniques.

Storage

This reference material meets the specification stated in this certificate until the expiry date, provided it is stored unopened at the recommended temperature here in. If storage after opening is necessary, the RM should be tightly closed and kept from light and moisture.

Hazards

Read Material Safety Data Sheet (MSDS) and understand any potential hazard(s) prior to the use of this product. All chemicals should be considered potentially hazardous in nature and should only be handled by qualified personnel using established good laboratory practices.

Homogeneity

Random replicate samples of the final packaged RM have been analysed to prove homogeneity compliant with ISO 17034.

Instructions for use

It is recommended to use 1 mg as the minimum sample size and if less material is used, to increase the certified uncertainty by a factor of two for half sample and four for a quarter of sample.Visit the support section of our website technology videos and frequently asked questions.