a试验通过唾液淀粉酶水解淀粉,并用碘化钾-碘溶液检验不同PH时,唾液淀粉酶对淀粉的水解程度说明PH对酶活性的影响 When experiment through salivary amylase hydrolisis starch, and with potassium iodide - iodine solution examination different PH, the salivary amylase explains PH to the starch hydrolisis degree ...
potassium iodidesilver diamine fluorideBackground Globally, has been an increase in the use of silver fluoride products to arrest carious lesions and a variety of products are available. Objectives To examine differences in caries arrest and lesion colour of primary tooth carious lesions. Material and...
Synthetic procedures Synthesis of d3-ferulic acid. d3-vanillin was prepared by refluxing 3,4-dihydroxybenzaldehyde (5 mmol), potassium carbonate (5 mmol) and d3-methyliodide (7 mmol) in dry acetone (50 mL). The mixture was cooled, diluted with water (200 mL) and extracted with ...
chemically sensitized with sodium thiosulfate, potassium tetrachloroaurate, sodium thiocyanate, and potassium selenocyanate, and spectrally sensitized with 680 mg/Ag mole of anhydro-5,5-dichloro-9-ethyl-3,3′-bis(3-sulfopropyl)oxacarbocyanine hydroxide, followed by 400 mg/Ag mole of potassium iodide....
CONSTITUTION: A zinc-plated steel sheet is produced by using a horizontal electrical plating facility using insoluble anode of bath in sulfate of zinc. Sodium iodide and potassium iodide of 0.0003mol/l-1mol/l is added to the plating bath to restrain melting of iron ions from the steel sheet...