Issue 24 - April 2014 | Published by Metrohm Siam

Dear Subscriber,

  • Analyze sugar samples on Pol, Brix and Apparent Purity.
  • Mercury converts in another species during sample prep.
  • Learn how to use Diagnostics on your Autolab Equipment.
Sugar Analysis
Mercury and Arsenic
Diagnostics

ฉบับนี้ Anton Paar ขอนำเสนอ MCP Sucromat saccharimeter together with the Abbemat refractometer การวิเคราะห์ตัวอย่างใน Pol, Brix และค่าความบริสุทธิ์ของน้ำตาล รวมทั้ง ion chromatography and inductively coupled plasma mass spectrometry (IC-ICP/MS) การรวมกันของ 2 เครื่องมือสำหรับการตรวจสอบชนิดของสารหนูและปรอท นอกจากนี้ Metrohm Autolab Nova Software การทำ Diagnostic test ซึ่งเป็นการตรวจสอบระบบการทำงานของตัวเครื่องเบื้องต้น โดยจะมีโปรแกรมในการทดสอบอยู่ในกลุ่มของตัวโปรแกรม ที่ง่ายต่อการตรวจสอบ.

ANTON PAAR: Apparent Purity of Sucrose and Technical Sugar Solutions

ANTON PAAR: APPARENT PURITY OF SUCROSE AND TECHNICAL SUGAR SOLUTIONS

The MCP Sucromat saccharimeter together with the Abbemat refractometer analyses sugar samples on Pol, Brix and Apparent Purity.

Sugar manufacturing is a separation and purification process in which sugar cane or beet, a raw material of medium sucrose content and juice purity, is processed to pure crystal sugar and by-products of low sucrose contents or low purities, namely final molasses, bagasse and filter cake.

It is the aim of every sugar factory to crystallise most of the sugar received with the cane and beet, and to keep sugar losses in by-products and undetermined losses at the lowest possible level. Therefore, the analysis of sucrose content and impurities is important in sugar payment analysis as well as in analyzing raw intermediates and final products.

The determination of Pol, Brix and Apparent Purity are the most common analyses in sugar laboratories. According to ICUMSA methods, the sucrose content can be measured by using a saccharimeter and the percent-age of dry substance by a refractometer.

Download the free Application Flash:

For additional information email Chullashut Sriubol (chullashut@metrohm.co.th) or call +66(0) 2 298 0864.

METROHM: Determination of mercury and arsenic using speciation analysis (IC-ICP/MS)

METROHM: DETERMINATION OF MERCURY AND ARSENIC USING SPECIATION ANALYSIS (IC-ICP/MS)

The combination of ion chromatography and inductively coupled plasma mass spectrometry (IC-ICP/MS) is ideally suited for the detection of species of arsenic and mercury.

The combination of ion chromatography and inductively coupled plasma mass spectrometry (IC-ICP/MS) is ideally suited for the detection of species of arsenic and mercury in their various oxidation levels and forms of chemical bonding. However, some species – as in the case of mercury – are reciprocally converted into one another during sample preparation, thus making a determination of the initial concentrations of the heavy metal species impossible. This article shows how these interconversions can be calculated with isotope dilution analysis and IC-ICP/MS in accordance with EPA method 6800.

Download the article:

For additional information email Lop Patimapornlert (lop@metrohm.co.th) or call +66(0) 2 298 0864.

METROHM AUTOLAB: NOVA Diagnostics Tools

METROHM AUTOLAB: NOVA DIAGNOSTICS TOOLS

Diagnostics report after all the tests have been performed successfully.

Metrohm Autolab’s sophisticated Nova software includes a diagnostics tool that can be used to test your Autolab instruments.

The tool can be accessed via the start menu, in the Autolab group (Start menu – All programs – Autolab – Tools).
Use the tool to troubleshoot an instrument or to perform individual tests to verify the correct operation of the instrument.

Download the Metrohm Autolab Diagnostics Guide below to learn more.

Download:

For additional information email Sutthiphong Ekphaophan (service@metrohm.co.th) or call +66(0) 2 298 0864.



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