¥1,429.29
国内现货，预计发货时间2025年4月24日详情
推荐产品
等级
certified reference material
TraceCERT®
质量水平
浓度
1000 mg/L Hf in nitric acid and hydrofluoric acid
技术
AAS: suitable
包装形式
single component solution
1 of 4
此商品 | 482595 | 181978 | 03880 |
|---|---|---|---|
| form liquid | form - | form - | form liquid |
| density 1.08 g/mL at 25 °C | density 1.08 g/mL at 25 °C | density - | density - |
| mol wt average Mw 1800 | mol wt average Mn ~1,200, average Mw ~1300 by LS | mol wt average Mn ~60,000 by GPC, average Mw ~750,000 by LS | mol wt Mr 600,000-1,000,000 |
| concentration 50 wt. % in H2O | concentration 50 wt. % in H2O | concentration 50 wt. % in H2O | concentration ~50% in H2O |
| Quality Level 200 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
一般描述
This certified reference material (CRM) is produced and certified in accordance with ISO/IEC 17025 and ISO 17034. This CRM is traceable to SI unit kg and measured against primary material from an NMI, e.g. NIST.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
Certified content incl. uncertainty and expiry date are given on the certificate.
Download your certificate at: http://www.sigma-aldrich.com.
分析说明
1000 mg/L Hf in 5% nitric acid and <0.5% hydrofluoric acid, prepared with high purity Hf metal, HNO3, HF and water
其他说明
For a complete product listing of our TraceCERT range of CRMs for ICP and AAS, technical information and example certificates please visit our inorganic TraceCERT website
法律信息
TraceCERT is a registered trademark of Merck KGaA, Darmstadt, Germany
警示用语：
Danger
危险分类
Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Eye Dam. 1 - Met. Corr. 1 - Skin Corr. 1B
补充剂危害
储存分类代码
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
法规信息
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