Nitric acid hno3
Nitric acid (HNO3) is a colorless to pale yellow, highly corrosive liquid chemical compound. It is a strong mineral acid used in various industrial and laboratory applications.
Lab products found in correlation
15 protocols using nitric acid hno3
Petcoke Particle Size Characterization
Evaluation of Antioxidant and Digestive Enzyme Inhibition Activities
Polymer-Based Membrane Synthesis
Elemental Analysis of Oat Grains
The grain samples were ground, and then they were prepared by wet acid digestion. The digestion included two stages: predigestion and digestion. An amount of 1 g of oat grains was measured into a digestion tube, and 10 mL nitric acid (HNO3, 69% v/v) (VWR International Ltd., Radnor, PA, USA) was added to the sample. After 12 h digestion, the samples were heated to 60 °C for 30 min in a LABOR MIM OE-718/A block digestion apparatus. Following the predigestion, after cooling for a few minutes, 3 cm3 of hydrogen-peroxide (H2O2, 30% v/v) (VWR International Ltd., Radnor, USA) was added to the samples. In the main digestion phase, the temperature was raised to 120 °C for 90 min. After digestion and cooling of the samples, the volume of the digested liquid was increased to 50 cm3 using ultrapore water (Milli Q two-level water purification system, Millipore S.A.S, Molsheim, France), and then filtered using Filtrak 388 filter paper, and then analysed by ICP-OES [53 (link)].
Trace Element Analysis in Marine Biota
Intermediate standard solutions for calibration (Hg and Se) and internal standardization containing scandium (Sc) and bismuth (Bi) were prepared using 1000 mg/L individual stock solutions purchased from LGC Standards (Molsheim, France). Calibration standard solutions were prepared daily in 6% (v/v) HNO3.
Certified reference materials (CRMs) ERM®-BB-422 (fish muscle) from the European Joint Research Centre (JRC), 7402-a (codfish tissue) from the National Metrology Institute of Japan, and DOLT-5 (Dogfish liver tissue) and DORM-4 (fish protein) from the National Research Council Canada were all purchased from LGC Standards (Molsheim, France).
Produced Water Purification using ECTFE Membranes
Porcine Vaginal Mucosa Adhesion Study
Minimum Essential Medium with alpha modification (α-MEM), Dulbecco’s Modified Eagle Medium (D-MEM), fetal bovine serum (FBS), fetal calf serum (FCS), phosphate buffer saline (PBS), glutamine, penicillin and streptomycin were purchased from Life Sciences Technologies (Warsaw, Poland). Tissue DNA and cell culture DNA isolation kits were obtained from Eurx (Gdansk, Poland).
Removal of Sulfur Compounds from Flue Gas Wastewater
Synthesis of Fatty Acid Derivatives
Organic Phase Change Material Synthesis
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