甲基异噻唑啉酮等23种防腐剂混标|西域试剂

甲基异噻唑啉酮等23种防腐剂混标,标准溶液,溶剂:乙腈, 见详情

产品编号：西域质检-TM62678

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货号	包装	价格	库存与货期	购买量	操作
西域质检-TM62678		￥3300.00	杭州北京（现货）

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组分信息

CAS号	名称	标准值	单位
120-47-8	对羟基苯甲酸乙酯	2500	μg/mL
93-99-2	苯甲酸苯酯	8000	μg/mL
2315-68-6	苯甲酸丙酯	7000	μg/mL
939-48-0	安息香异丙醚	7000	μg/mL
6521-29-5	4-羟基苯甲酸戊酯	6000	μg/mL
93-89-0	苯甲酸乙酯	6000	μg/mL
94-18-8	对羟基苯甲酸苄酯	3000	μg/mL
94-26-8	对羟基苯甲酸丁酯	3000	μg/mL
4247-02-3	对羟基苯甲酸异丁酯	3000	μg/mL
17696-62-7	4-羟基苯甲酸苯酯	3000	μg/mL
94-13-3	对羟基苯甲酸丙酯	2500	μg/mL
4191-73-5	对羟基苯甲酸异丙酯	2500	μg/mL
2682-20-4	甲基异噻唑啉酮	600	μg/mL
30007-47-7	5-溴-5-硝基-1,3-二噁烷	25000	μg/mL
520-45-6	脱氢乙酸	3000	μg/mL
104-29-0	氯苯甘醚	3000	μg/mL
99-76-3	对羟基苯甲酸甲酯	1000	μg/mL
65-85-0	苯甲酸	5000	μg/mL
122-99-6	苯氧乙醇	20000	μg/mL
100-51-6	苯甲醇	30000	μg/mL
26172-55-4	甲基氯异噻唑啉酮	600	μg/mL
99-96-7	对羟基苯甲酸	2000	μg/mL
52-51-7	溴硝醇	15000	μg/mL

详细介绍

甲基异噻唑啉酮等23种防腐剂混标

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) 23 Preservative Mix in Acetonitrile,600µg/mL,1000µg/mL,2000µg/mL,2500µg/mL,3000µg/mL,5000µg/mL,6000µg/mL, 7000µg/mL,8000µg/mL,15000µg/mL,20000µg/mL,25000µg/mL,30000µg/mL(乙腈中甲基异噻唑啉酮等23种防腐剂混标)

Part Number(产品编号) 81369

Lot Number(产品批号) 22110562b

Expiry Date(失效日期) 2023-Jun-15________________________________________________

Storage(存储条件) (2~8)℃,Keep in the shade
冷藏(2~8)℃,置于阴凉处

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	2-Methyl-4-isothiazolin-3-one (甲基异噻唑啉酮)	2682-20-4	600	3
2	2	2-Bromo-2-nitro-1,3-propanediol (溴硝醇)	52-51-7	15000	0.5
3	3	Methylchloroisothiazolinone¹ (甲基氯异噻唑啉酮)	26172-55-4	600	3
4	4	4-Hydroxybenzoic Acid¹ (对羟基苯甲酸)	99-96-7	2000	2
5	5	Benzyl Alcohol (苯甲醇)	100-51-6	30000	0.5
6	6	2-Phenoxyethanol (苯氧乙醇)	122-99-6	20000	1
7	7	Benzoic Acid (苯甲酸)	65-85-0	5000	1
8	8	Methyl 4-hydroxybenzoate (尼泊金甲酯)	99-76-3	1000	2
9	9	Chlorphenesin (氯苯甘醚)	104-29-0	3000	1
10	10	Dehydroacetic Acid (脱氢乙酸)	520-45-6	3000	1
11	11	5-Bromo-5-nitro-1,3-dioxane (5-溴-5-硝基-1,3-二噁烷)	30007-47-7	25000	0.5
12	12	Ethyl 4-Hydroxybenzoate (对羟基苯甲酸乙酯)	120-47-8	2500	1
13	13	Isopropyl 4-Hydroxybenzoate (对羟基苯甲酸异丙酯)	4191-73-5	2500	1
14	14	Propyl 4-Hydroxybenzoate (尼泊金丙酯)	94-13-3	2500	1
15	15	4-Hydroxybenzoic Acid Phenyl Ester (4-羟基苯甲酸苯酯)	17696-62-7	3000	1
16	16	Isobutyl 4-Hydroxybenzoate (对羟基苯甲酸异丁酯)	4247-02-3	3000	1
17	17	Butyl 4-hydroxybenzoate ( 对羟基苯甲酸丁酯 )	94-26-8	3000	1
18	18	Benzyl 4-Hydroxybenzoate (对羟基苯甲酸苄酯)	94-18-8	3000	1
19	19	Benzoic Acid-ethyl Ester (苯甲酸乙酯)	93-89-0	6000	1
20	20	4-Hydroxybenzoic Acid Amyl Ester (4-羟基苯甲酸戊酯)	6521-29-5	6000	1
21	21	Isopropyl Benzoate (安息香异丙醚)	939-48-0	7000	1
22	22	Propyl Benzoate (苯甲酸丙酯)	2315-68-6	7000	1
23	23	Phenyl Benzoate (苯甲酸苯酯)	93-99-2	8000	1

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
2022-Dec-16		RM Release

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甲基异噻唑啉酮等23种防腐剂混标,标准溶液,溶剂:乙腈, 见详情

组分信息

详细介绍

甲基异噻唑啉酮等23种防腐剂混标

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