42019
重铬酸钾
reference material for titrimetry, certified by BAM, >99.5%
别名:
红矾钾
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关于此项目
线性分子式:
K2Cr2O7
化学文摘社编号:
分子量:
294.18
EC 号:
MDL编号:
UNSPSC代码:
41116107
PubChem化学物质编号:
NACRES:
NA.24
等级
reference material
质量水平
方案
>99.5%
技术
titration: suitable
mp
398 °C (lit.)
包装形式
neat
SMILES字符串
[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
InChI
1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
InChI key
KMUONIBRACKNSN-UHFFFAOYSA-N
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一般描述
重铬酸钾是一种在严格条件下生产的氧化标准品，并以尽可能高的精度进行测量。其含量测定和均匀性评估使用体积氧化还原滴定作为主要分析方法进行。
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This compound is listed in the SVHC (Substances of very high concern) candidate list of ECHA (European Chemicals Agency)
应用
它可作为标准物质，用于在氧化还原滴定中标定滴定溶液。
特点和优势
- 以安全洁净的玻璃瓶形式提供，以确保其在打开前的整个保质期内保持稳定性。
- 可追溯至 NIST SRM
- 高品质材料，可提供精准的滴定测定
- 随附分析证书（CoA）
分析说明
精确浓度、有效期、可追踪性以及认证的详细信息请见每个包装内的证书和认证报告。含量和有效期见标签。
警示用语：
Danger
危险分类
Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
靶器官
Cardio-vascular system, Respiratory system
储存分类代码
5.1B - Oxidizing hazardous materials
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges
法规信息
易制爆化学品
危险化学品
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