标准品/甲醇中乙基麦芽酚/2024国抽食品,4940-11-8

4940-11-8

￥300 1 起订

更新日期：2026-07-31

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产品详情:

中文名称：: 标准品/甲醇中乙基麦芽酚/2024国抽食品

CAS号：: 4940-11-8

品牌：: TMstandard

库存：: ≥6

货期：: 现货

编号：: 91354b

标准值：: 1000μg/mL

过期日期：: 2028-05-14

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) Ethyl Maltol in Methanol,1000μg/mL(甲醇中乙基麦芽酚)

Part Number(产品编号) 91354b

Lot Number(产品批号) -

CAS No. 4940-11-8

Mol. Formula(分子式) C₇H₈O₃

Mol. Weight(分子量) 140.14______________

Storage Temp(存储条件) (-18±5)℃
冷冻(-18±5)℃

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

QC Test Results
Item	Test Results
Analysis method(分析方法)	HPLC/DAD
Concentration(浓度)	1000μg/mL
Relative Expanded Uncertainty(k=2)(相对扩展不确定度)	2%
Expiry Date(失效日期)	2028-May-14

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.

CERTIFICATE ON	QC SIGNATURE
-	RM Release

相关产品信息
编号	产品名	CAS	规格	品牌	价格	过期时间
91354GA	标准品/甲醇中乙基麦芽酚	4940-11-8	1mL	TMstandard	160	2028-08-18
91354b	标准品/甲醇中乙基麦芽酚/2024国抽食品	4940-11-8	1mL	TMstandard	300	2028-05-14
94999a	标准品/甲醇中乙基麦芽酚-D5溶液	4940-11-8 (Unlabelled)	1mL	坛墨质检	2500