17种防晒剂混标/22种防晒剂混标-A组
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.
常温(20±5)℃,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 | Phenylbenzimidazole Sulfonic Acid 1 (苯基苯并咪唑磺酸) | 27503-81-7 | 1000 | 5 |
| 2 | 2 | Ecamsule (依莰舒) | 92761-26-7 | 500 | 5 |
| 3 | 3 | 2-Hydroxy-4-methoxy-benzophenone-5-sulfonic (2-羟基-4-二苯甲酮-5-磺酸) | 4065-45-6 | 600 | 5 |
| 4 | 4 | Benzylidene Camphor Sulfonic Acid (亚苄基樟脑磺酸) | 56039-58-8 | 700 | 5 |
| 5 | Camphor Benzalkonium Methosulfate (樟脑苯扎铵甲基硫酸盐) | 52793-97-2 | 700 | 5 | |
| 6 | 5 | 2-Hydroxy-4-methoxybenzophenone (2-羟基-4-甲氧基二苯酮) | 131-57-7 | 1000 | 5 |
| 7 | 6 | 3-Benzylidenecamphor (3-亚苄基樟脑) | 15087-24-8 | 300 | 5 |
| 8 | 7 | Isoamyl 4-Methoxycinnamate (4-甲氧基肉桂酸异戊酯) | 71617-10-2 | 1000 | 5 |
| 9 | 8 | 3-(4-Methylbenzylidene)camphor (3-(4-甲基苯亚甲基)樟脑) | 36861-47-9 | 500 | 5 |
| 10 | 9 | Diethylaminohydroxybenzoyl Hexyl Benzoate (二乙氨基羟苯甲酰基苯甲酸己酯) | 302776-68-7 | 1000 | 5 |
| 11 | 10 | 2-Ethylhexyl 4-(dimethylamino)benzoate (4-二甲氨基苯甲酸-2-乙基己酯) | 21245-02-3 | 1000 | 5 |
| 12 | 11 | Butyl Methoxydibenzoylmethane (特丁基-甲氧基二苯酰甲烷) | 70356-09-1 | 600 | 5 |
| 13 | 12 | Octocrilene (奥克立林) | 6197-30-4 | 1000 | 5 |
| 14 | 13 | 2-Ethylhexyl 4-methoxycinnamate (对甲氧基肉桂酸-2-乙基己酯) | 5466-77-3 | 1000 | 5 |
| 15 | 14 | Homosalate2 (原膜散酯) | 118-56-9 | 1000 | 5 |
| 16 | 15 | Octisalate (水杨酸辛酯) | 118-60-5 | 600 | 5 |
| 17 | 16 | Iscotrizinol (二乙基己基丁酰胺基三嗪酮) | 154702-15-5 | 1000 | 5 |
This RM is intended for use in a laboratory as a calibration and quality control standard or in method development for analytical techniques.
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.
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.
Random replicate samples of the final packaged RM have been analysed to prove homogeneity consistent with ISO 17034.
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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