水中10种α-羟基酸混标
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) 10 α-Hydroxy Acid Mix in Water,100µg/mL,2000µg/mL,4000µg/mL,5000µg/mL(水中10种α-羟基酸混标)
Part Number(产品编号) 81390
Lot Number(产品批号) -
Expiry Date(失效日期) 2025-Apr-18________________________________________________
Storage(存储条件) (2-8)℃,Keep in the shade
(2~8)℃冷藏，置于阴凉处
(2~8)℃冷藏，置于阴凉处
Transportation(运输条件) Biological ice bag transportation
(生物冰袋运输)
(生物冰袋运输)
| CERTIFIED | |||||
| Component No. (组分数) | Peak Sequence (出峰顺序) | Component (组分) | CAS No. | Concentration (μg/mL) (浓度) | Relative Expanded Uncertainty(%) (k=2) (相对扩展不确定度) |
| 1 | 1 | D-Glucuronic Acid (D-葡萄糖醛酸) | 6556-12-3 | 4000 | 1 |
| 2 | 2 | L-(+)-Tartaric Acid (L-(+)-酒石酸) | 87-69-4 | 2000 | 2 |
| 3 | Hydroxyacetic Acid (乙醇酸) | 79-14-1 | 4000 | 1 | |
| 4 | 3 | L-(-)-Malic Acid (L-苹果酸) | 97-67-6 | 4000 | 1 |
| 5 | 4 | L-(+)-Lactic Acid(Isomers) (L-乳酸) | 79-33-4 | 5000 | 1 |
| 6 | 5 | Citric Acid (柠檬酸) | 77-92-9 | 4000 | 1 |
| 7 | 6 | Sodium 2-hydroxybutyrate1 (2-羟基丁酸钠) | 5094-24-6 | 5000(free base) | 1 |
| 8 | 7 | Mandelic Acid (扁桃酸) | 90-64-2 | 100 | 3 |
| 9 | 8 | Benzilic Acid (二苯基乙醇酸) | 76-93-7 | 100 | 3 |
| 10 | 9 | 2-Hydroxyoctanoic Acid (2-羟基辛酸) | 617-73-2 | 4000 | 1 |
Instrument(检测仪器) HPLC/DAD
Column(色谱柱) C18(3.0x100mm,1.8μm)
Column Oven(柱温) 35℃
Wavelength(波长) 232nm
Method Details(方法参数)
A:0.1% Phosphoric Acid(0.1% 磷酸)
B:Methanol(甲醇)
A:0.1% Phosphoric Acid(0.1% 磷酸)
B:Methanol(甲醇)
| Time/min | A/% | B/% |
| 0.00 | 100 | 0 |
| 4.00 | 100 | 0 |
| 10.00 | 40 | 60 |
| 14.00 | 40 | 60 |
| 14.50 | 100 | 0 |
| 15.00 | 100 | 0 |
Note
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