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网站主页化工产品目录原料药维生素类与矿物质类药维生素B类药维生素 B2 标准品/维生素B2/2024国抽食品

标准品/维生素B2/2024国抽食品,83-88-5

83-88-5

￥150 起订

更新日期：2025-02-01

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产品详情:

中文名称：: 标准品/维生素B2/2024国抽食品

CAS号：: 83-88-5

品牌：: TMstandard

库存：: ≥6

货期：: 现货

标准值：: 99.1%

编号：: 70653-100mg

过期日期：: 2028-04-22

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(产品名称) Vitamin B2(维生素B2)

Product Code(产品编号) 70653-100mg

Lot Number(产品批号) -

CAS No. 83-88-5

Mol. Weight(分子量) 376.36

Mol. Formula(分子式) C₁₇H₂₀N₄O₆

Melting Point(熔点) 290℃(dec.)

Expiry Date(失效日期) 2028-Apr-22

Boiling point(沸点) N/A

Appearance(外观) Solid
(固体)_____

Storage Temp(存储条件) (-18±5)℃,dark
(-18±5)℃，冷冻避光

Transportation(运输条件) Biological ice bag transportation(生物冰袋运输)

C E R T I F I E D

Purity

99.1%

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

HPLC

Note

The compound is sensitive to light and oxygen.(该化合物对光和氧气敏感。)

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.

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