3种抗氧化剂混标/BHA/BHT/TBHQ,标准溶液,溶剂:乙酸乙酯/环己烷, 1000μg/mL

产品编号:西域质检-TM13479

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货号 包装 价格 库存与货期 购买量 操作
西域质检-TM13479
825.00 杭州 北京(现货)

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组分信息

CAS号 名称 标准值 单位
25013-16-5 叔丁基对羟基苯甲醚 1000 μg/mL
128-37-0 2,6-二叔丁基对甲酚 1000 μg/mL
1948-33-0 叔丁基对苯二酚 1000 μg/mL

详细介绍

3种抗氧化剂混标/BHA/BHT/TBHQ

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) 3 Antioxidant Mix in Ethyl Acetate and Cyclohexane(1:1),1000μg/mL(乙酸乙酯和环己烷中3种抗氧化剂混标)
Part Number(产品编号) 80243JJP
Lot Number(产品批号) 23020800
Expiry Date(失效日期) 2024-Aug-24_______________________________
Storage(存储条件)   (2~8)℃,dark
  冷藏(2~8)℃避光
CERTIFIED
Component
No.
(组分数)
Concentration
(μg/mL)
(浓度)
Relative Expanded
Uncertainty(%) (k=2)
(相对扩展不确定度)
1 1 Butylated Hydroxyanisole (叔丁基对羟基苯甲醚) 25013-16-5 1000 2
2 2 2,6-Di-tert-butyl-4-methylphenol (2,6-二叔丁基对甲酚) 128-37-0 1000 2
3 3 tert-Butylhydroquinone (叔丁基对苯二酚) 1948-33-0 1000 2
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.

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.

Homogeneity

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

Storage

The RM should be stored in the original sealed bottle at the indicated temperature.

CERTIFICATE    ON QC    SIGNATURE
2023-Feb-25 RM Release

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