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research on the application of mdi in slow resilient polyurethane block foam 1. preface as we all know, polyurethane slow rebound foam is also called …
dye basics: identification of dyes introduction it is difficult to identify the type of dyestuff on textiles with naked eyes, and it must be determine…
dye basics: sulfur dyes introduction sulfur dyes are a class of sulfur-containing dyes with a complex molecular structure. generally made by certain a…
according to the moscow times report on april 11, potassium carbonate companies in spain, germany, and the united kingdom will submit applications to …
background and overview[1] potassium carbonate is also called potassium alkali and alkali sand, and impurities are called potassium alkali, bead ash, …
background and overview[1] the chemical formula of anhydrous sodium potassium carbonate is: knaco3 relative molecular mass: 122.10 english name: sodiu…
potassium carbonate, white crystalline powder. density 2.428g/cm3. the melting point is 891°c, it decomposes at the boiling point, and the relative mo…
background and overview[3] potassium carbonate semihydrate is also called potassium carbonate 1.5 hydrate, potassium carbonate sesquihydrate or crysta…
potassium carbonate is an excellent water-soluble fertilizer. it is widely used in agriculture and has obvious effects. it can quickly increase the gr…
background technology potassium carbonate is an important basic raw material for inorganic chemicals. it was successfully developed and put into indus…
on march 29, the national science and technology support plan project organized by the chinese academy of sciences and led by the fujian institute of …
shanghai petrochemical ex-factory price 8,000 yuan/ton product grade: high-quality ethylene glycol yangzi petrochemical ex-factory price 8,000 yuan/to…