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Issue 2, 2023 - Major breakthrough in the industrialization of boron-11 isotopes
Time of Update: 2023-02-01
Recently, the 1000 kg/year electronic grade high abundance boron-11 isotope production process led by Shanghai Research Institute of Chemical Industry has achieved stable mass production in Shandong Heyi Company, and successfully obtained boron trifluoride-11 products with an abundance of more than 99.
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Russian Foreign Ministry: Limiting the price of Russian oil will complicate the situation in the global energy market
Time of Update: 2023-01-01
Russian Foreign Ministry spokesperson Zakharova said at a press conference on the 30th that setting a price cap on Russian oil will complicate the situation in the global energy market.
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PVC futures prices are weak and volatile and limited by sluggish demand
Time of Update: 2022-12-26
7 days, the main force of PVC closed at 5854 yuan / ton (-1.
7 days, the main force of PVC closed at 5854 yuan / ton (-1.
7 days, the main force of PVC closed at 5854 yuan / ton (-1.
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Analysis of domestic PVC market this week (4.5-4.8
Time of Update: 2022-12-01
PVC marketThe reasons for the decline in PVC market prices this week are as follows:On the macro front, oil prices fell on Thursday this week, with light sweet crude futures for May delivery on the New York Mercantile Exchange down 49 cents, or 1.
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Guizhou's "country girl", incense wafts all over the five continents
Time of Update: 2022-11-25
Reporter Tang LaixiangIn the Jinguan Industrial Park, Yunyan District, Guiyang City, Guizhou Province, there is a well-known enterprise - Guizhou Country Sister Food Co. , Ltd. It conquers the taste b
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Xinri Hengli: Bio-based, starch-based new material manufacturing - long-chain dibasic acid
Time of Update: 2022-11-05
TK bio-based materials report: Recently, Xinri Hengli released the 2022 semi-annual board of directors' business review, and some relevant content are as follows . According to the "National Economic
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Qinghai's first refined oil quality rapid inspection sampling pass rate of 100
Time of Update: 2022-10-19
On August 9, the reporter learned from the Qinghai Provincial Market Supervision and Administration Bureau that in accordance with the "double random, one open" method, the rapid inspection of refined oil quality in 8 cities and prefectures in Qinghai Province for the first time has been fully completed, and the pass rate of sampling inspection is 100%.
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Anhui Fengyuan added 3,000 tons of PLA
Time of Update: 2022-09-14
The project polylactic acid production adopts the polymerization process, and the main raw material is D-lactic acid.
The project polylactic acid production adopts the polymerization process, and the main raw material is D-lactic acid.
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The stripping tower of the butadiene plant in Zhenhai base was hoisted into place
Time of Update: 2022-08-27
On April 6, the stripping tower of the butadiene extraction unit of Zhenhai Base was hoisted into place .
On April 6, the stripping tower of the butadiene extraction unit of Zhenhai Base was hoisted into place .
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Determination of quinocetone residues in aquatic products - high performance liquid chromatography (2
Time of Update: 2022-08-19
where:X—the residual amount of quinocetone in the sample, in micrograms per kilogram (μg/kg);QuinocetoneC—the residual amount of quinocetone in the sample extract, in micrograms per milliliter (μg/mL);V—final constant volume, in milliliters (mL);m—sample mass, in grams (g) .
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Announcement of the Jiangsu Provincial Market Supervision Bureau on the unqualified status of 13 batches of food (Issue 74 of 2021
Time of Update: 2021-12-25
Recently, the Jiangsu Provincial Market Supervision and Administration Bureau completed 1,225 batches of provincial food safety evaluation random inspection tasks, involving processed food products, edible oils , fats and their products, condiments , meat products , dairy products , soy products , beverages , and convenience foods.
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Industrial 1.2-Dichloroethane (3
Time of Update: 2021-11-28
5. 2 When leaving the factory, any number of the same grade is used as a batch, and the sampling method is carried out according to the corresponding content in the fluid in the liquid at room temperature in GB/T6680 .
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Kunming Institute of Botany has developed a rapid detection kit for amanita cyclic peptide toxin and highly toxic mushrooms
Time of Update: 2021-11-19
As an important breakthrough, the research and development of the rapid detection kit for amanita toxin poisonous mushrooms will help promote the healthy development of the world's wild edible fungi industry, including Yunnan .
Kunming Institute of Botany has developed a rapid detection kit for amanita cyclic peptide toxin and highly toxic mushrooms
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Modified cellulose adsorbent (3
Time of Update: 2021-11-14
Saponification of ANC Weigh 2g of ANC into a three-necked flask, add 80mL NaOH solution of a certain concentration, stir and react in a constant temperature water bath at 75℃ for 1h, then keep it warm and stand for 1h before taking it out, repeatedly washing with water and drying to obtain saponification Product .
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Determination of linear range and lower limit of carbachol, olaquindox and metabolite residues in liver and muscle of cattle and pigs
Time of Update: 2021-09-30
Table 15-5 The linear relationship between the concentration of each analytical compound and the peak areaThrough sample addition and recovery experiments, it is true that the lower limit of determination of CBX, QCA, DCBX, and MQCA in animal tissues by this method is 0.
