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铬含量检测试剂盒
Chromium Assay Kit
铬含量检测试剂盒
Chromium Assay Kit
基本信息
NACRES | NA.84 |
General description【一般描述】 | Chromium, an essential trace element, is a transition metal that primarily exists in two stable oxidation states, hexavalent [Cr(VI)] and trivalent [Cr(III)]. Chromium is widely used in various industries such as electroplating, leather tanning, chrome paint, dying, hardened steel, ceramic, and glass. Cr(VI) is produced almost exclusively by industrial processes; whereas, in nature chromium primarily exists in its trivalent form. Cr(III) is generally regarded as nontoxic due to its poor absorption. Cr(VI) is considered a pulmonary carcinogen and has tested positive in genotoxicity tests. Cr(VI) is considered a serious pollutant in many water streams due to its carcinogenic potential. In trace amounts, Cr(III) may be required for glucose and lipid metabolism. |
Features and Benefits【特点和优势】 | Compatible with high-throughput handling systems. Can be adapted for use with cuvettes. |
Principle【原理】 | In this kit, chromium is determined in a simple, one-step assay in which Cr(VI) forms a specific complex with a chromgenic dye, resulting in a colorimetric (480 nm) product, proportional to the chromium present. Cr(III) can be converted to Cr(VI) with nitric acid/hydrochloric acid, allowing the determination of Cr(III) and/or total chromium [Cr(III) +Cr(VI)]. |
产品性质
usage【用途】 | sufficient for 250 colorimetric tests |
Detection Method | colorimetric |
storage temp.【储存温度】 | −20℃ |
suitability【适用性】 | 该试剂盒适于检测生物、环境、食品、饮料样品中的铬含量。 |
安全信息
Pictograms【象形图】 | GHS05,GHS07,GHS08,GHS09 |
Signal word【警示用语:】 | Danger |
Hazard Statements | H290 - H312 + H332 - H315 - H318 - H360D - H410 |
Precautionary Statements | P273 - P280 - P302 + P352 + P312 - P304 + P340 + P312 - P305 + P351 + P338 - P308 + P313 |
Hazard Classifications【危险分类】 | Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Aquatic Acute 1 - Aquatic Chronic 2 - Eye Dam. 1 - Met. Corr. 1 - Repr. 1B - Skin Irrit. 2 |
Storage Class Code【储存分类代码】 | 6.1C - Combustible, acute toxic Cat.3 / toxic compounds or compounds which causing chronic effects |
WGK | WGK 3 |