PreeKem Scientific Instruments Co.,Ltd. applications

As one of major nutritional ingredients, vegetable oil provides not only energy, vitamins but also necessary linoleic acid and linolenic acid for body healthy. Hence, there is rising attention and pressing demands to strength the quality inspection of the oil for the safety concern. The application of microwave digestion is able to avoid the loss of volatile elements such as Hg, As; meanwhile, it’s efficient with good result of parallelism, repeatability and accuracy.

In Dec, 2013,  cadmium rice appeared again on the market. In Hongkong, 3 kinds of rice was found out of limits in cadmium, a kind of heavy metal which is able to cause kidney damage. However, in late May, 2013, the spot check by Guangdong Food and Drug Administration has just found there were 120 batches of cadmium-out-of-limits rice, which came from 8 cities in Hunan provinces.
Back to Feb, 2011 Professor Pan reported that early in 2007, he had a survey on rice from the markets of six areas in China, which showed that 10% of 170 rice samples were carrying over limits cadmium. This result paralleled to the study performed by Ministry of Agriculture of China that 10.3% rice exceeded in cadmium content.