Application
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Plating solution
According to the replacement of low boiling acid by high boiling acid, F - and Cl - are distilled together with sulfuric acid as distillation agent at a certain temperature for separation and enrichment. Using CIC-D120 ion chromatograph , SH-AC-3 anion columns. 3.6 mM ...Read more -
Impurity ion in lithium salts
Some kinds of lithium salt are the key component of electrolyte. The purity can effect the performance of battery. Chloride and Sulfate are especially concerned. CIC-D120 Ion Chromatograph，SH-AC-4 column，N...Read more -
Antibiotic analysis
In order to determine lincomycin in drugs, samples were extracted by water oscillation , then taking supernatant after centrifuged and filtered by 0.22 microporous membrane. Using CIC-D120 ion chromatograph and SH-AC-3 anion column,3.6 mM Na2CO3+4.5 mM NaHCO3 eluent and...Read more -
Determination of Nitrite in Metronidazole Sodium Chloride Injection
Metronidazole sodium chloride injection is a kind of preparation used to treat anaerobic infection, almost colorless and transparent. The active ingredient is metronidazole, and the auxiliary materials are sodium chloride and water for injection. Metronidazole is a nitro...Read more -
Detection of Sodium in Tablet Excipients
Pharmaceutical excipients refer to the excipients and additives used in the production of drugs and the formulation. They are important components of pharmaceutical preparations, the material basis for ensuring the production and use of pharmaceutical preparations, and d...Read more -
Iron ore
After ultrasonic extraction and centrifuge separation and precipitation, iron ore samples were filtered by IC-RP column, IC-Na column and 0.22 um microporous filtration membrane respectively. Using CIC-D120 ion chromatograph, SH-AC-3 anion column, 3.6 mM Na2CO3+4.5 mM Na...Read more -
Galactooligosaccharides in milk powder
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Various phosphate in food
Foreword Phosphate is a widely used food additive and plays an important role in improving food quality.At present, food phosphates mainly include sodium salt, potassium salt, calcium salt, iron salt, zinc salt and so on.Phosphate is mainly used as water retainer, bulkin...Read more -
Nitrate and nitrite in food
Nitrosamine is one of the three most recognized carcinogens in the world, the other two are aflatoxins and benzo[a]pyrene. Nitrosamine is formed by nitrite and secondary amine in protein and is widely distributed in nature.The content of nitrosamine in salted fish, dried...Read more -
Fructan in milk powder
At present, the analytical methods of fructose mainly include enzymology, chemistry and chromatography. Enzymatic method has high sensitivity and specificity, but it is easy to be interfered by pollutants in the sample. At the same time, it is difficult to isolate and pu...Read more -
Bromate in wheat flour
Potassium bromate, as an additive of flour, was widely used in flour production. It has two functions, one for white-rich, the other for paste ferment, which can make the bread softer and more beautiful. However, the scientists from Japan, Britain and America have found ...Read more -
Determination of Chlorite, Chlorate and Bromate in Tap Water
At present, the disinfectants used for drinking water disinfection mainly include liquid chlorine, chlorine dioxide and ozone. Chlorite is a by-product of chlorine dioxide disinfection, chlorate is a non-by-product brought by chlorine dioxide raw material, and bromate is...Read more