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Merck
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主要文件

1.11148

Supelco

Sulfite Test Kit, colorimetric

titrimetric, for use with MQUANT®

别名:

Sulfite Visual Test Kit

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About This Item

分類程式碼代碼:
41116116
NACRES:
NA.24

产品名称

Sulfite Test, titrimetric, for use with MQUANT®

特定分析物

sulfite

品質等級

相容性

for use with MQUANT®

檢測方法

titrimetric

儲存溫度

15-25°C

一般說明

Method: titrimetric (iodometric) with titration pipette MQuant®
The test can be used for the titrimetric determination of sulfite in wastewater, boiler water and water in heating systems.
This MQuant® Sulfite test (formally MColortest®) is suitable for the titrimetric determination using a graduated syringe. It can be used in
  • Groundwater, drinking water, and surface water
  • Wastewater
  • Boiler water
  • Boiler feed water
  • Water in heating systems
  • Food and beverages, milk and dairy products
This test is not suited for seawater.

Method
In sulfuric solution by titration with potassium iodate solution against starch as the indicator, iodide ions are oxidized to iodine, which in turn oxidizes sulfite ions to sulfate ions. At the titration end-point, excess iodine forms a blue complex with the indicator. The sulfite concentration is determined from the consumption of titration solution (iodometric determination).

法律資訊

MCOLORTEST is a registered trademark of Merck KGaA, Darmstadt, Germany
MQUANT is a registered trademark of Merck KGaA, Darmstadt, Germany

象形圖

CorrosionHealth hazard

訊號詞

Warning

危險分類

Eye Irrit. 2 - Met. Corr. 1 - Skin Irrit. 2 - STOT RE 2 Oral

標靶器官

Thyroid

儲存類別代碼

8B - Non-combustible, corrosive hazardous materials

水污染物質分類(WGK)

WGK 2

閃點(°F)

Not applicable

閃點(°C)

Not applicable


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实验方案

Preparation of a standard solution for Sulfite

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