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Merck
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文件

42019

Supelco

重铬酸钾

reference material for titrimetry, certified by BAM, >99.5%

别名:

红矾钾

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About This Item

线性分子式:
K2Cr2O7
CAS号:
7778-50-9
分子量:
294.18
EC號碼:
231-906-6
MDL號碼:
MFCD00011367
分類程式碼代碼:
41116107
PubChem物質ID:
329756173
NACRES:
NA.24

等級

reference material

品質等級

100

化驗

>99.5%

技術

titration: suitable

mp

398 °C (lit.)

格式

neat

SMILES 字串

[K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O

InChI

1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1

InChI 密鑰

KMUONIBRACKNSN-UHFFFAOYSA-N

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相关类别

一般說明

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。

應用

它可作为标准物质，用于在氧化还原滴定中标定滴定溶液。

特點和優勢

  • 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）

分析報告

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。

訊號詞

Danger

危險分類

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

標靶器官

Cardio-vascular system, Respiratory system

儲存類別代碼

5.1B - Oxidizing hazardous materials

水污染物質分類（WGK）

WGK 3

閃點（°F）

Not applicable

閃點（°C）

Not applicable

個人防護裝備

Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

Choose from one of the most recent versions:

分析证书(COA)

Lot/Batch Number
BCCJ8132
BCCB9372
BCBV2009
BCBJ3646V
1334236V

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If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

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Changes in aquatic toxicity of potassium dichromate as a function of water quality parameters
Kikuchi M, et al.
Chemosphere, 170, 113-117 (2017)
Raman spectroscopic study of oxidation of aniline and N-methylaniline with dichromate
Mazeikiene R, et al.
Journal of Molecular Structure, 1139, 333-337 (2017)
Eduardo Molina-Jijón et al.
Toxicology, 291(1-3), 93-101 (2011-11-26)
Deferoxamine (DFO) is a recognized iron chelator which has been shown to exert nephroprotection in models of toxic nephropathies. In the present work the potential protective effects of DFO against Cr(VI)-induced nephrotoxicity and oxidant stress were evaluated. Rats were injected
Manish Mishra et al.
Mutation research, 747-748, 28-39 (2013-05-01)
Hexavalent chromium [Cr(VI)] is a well known mutagen and carcinogen. Since genomic instability due to generation of double strand breaks (DSBs) is causally linked to carcinogenesis, we tested a hypothesis that Cr(VI) causes in vivo generation of DSBs and elicits
Bour-Jr Wang et al.
Journal of the Formosan Medical Association = Taiwan yi zhi, 110(12), 775-779 (2012-01-18)
Occupational dermatitis among cement workers is a major occupational health concern. The two most important occupational hazards for cement workers are irritant and allergic cement contact dermatitis. The objective of this study was to investigate the severity of occupational cement
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