ライフサイエンスコーパス: nitric acid

1 ueous extractions (86 degrees C, 80min, 20mM nitric acid).

2 ly oxidized using a combination of oleum and nitric acid.

3 lation and leaching with dilute solutions of nitric acid.

4 n products using conventional nitration with nitric acid.

5 the energy-efficient and green production of nitric acid.

6 iamino-3,3'-azo-1,2,4-oxadiazole using 100 % nitric acid.

7 in ashes, which enhances their solubility in nitric acid.

8 or of approximately 90 was obtained in 0.1 M nitric acid.

9 xo-bridged dinuclear complex, even in strong nitric acid.

10 oxidation of Am(III) to Am(V) and Am(VI) in nitric acid.

11 us solution containing hydrogen peroxide and nitric acid.

12 s of hydroxyl radical with either ammonia or nitric acid.

13 ty peak at m/z 125 for the nitrate adduct of nitric acid.

14 cursor in the industrial-scale production of nitric acid.

15 alizes SWNTs using a mixture of sulfuric and nitric acids.

16 Nitric acid (0.4 M) effectively regenerates the material

17 in and in a mixture constituted by 2.3 mL of nitric acid, 1.0 mL of hydrogen peroxide and 4.7 mL of w

18 Dilute nitric acid (5 mol L(-1)), which was selected as the abs

19 Nitric acid, a major oxidation product of nitrogen oxide

20 air is enriched with nonhazardous levels of nitric acid, aerosol pH drops by up to 2 units, decreasi

21 med, co-condensation of ammonia and abundant nitric acid alone is sufficient to drive rapid growth to

22 stribution after heterogeneous reaction with nitric acid, along with the development of a more concen

23 ile species found in the atmosphere, such as nitric acid, ammonia, and water.

24 The gas phase reaction between nitric acid and amidogen radical has been investigated e

25 is cold enough (below -15 degrees Celsius), nitric acid and ammonia can nucleate directly through an

26 Even though rapid growth from nitric acid and ammonia condensation may last for only a

27 We also expect nitric acid and ammonia nucleation and rapid growth to b

28 t CERN, that below about +5 degrees Celsius, nitric acid and ammonia vapours can condense onto freshl

29 lysis, the aerosol samples were dissolved in nitric acid and analyzed with ICPMS to successfully conf

30 tral/acidic catalysis from interfacial water/nitric acid and base catalysis from ammonia, methylamine

31 panol (HFIP) as the activating solvent for a nitric acid and FeCl(3)-catalyzed aerobic oxidation of s

32 d crop homogenate was extracted with diluted nitric acid and filtered.

33 however, along with ongoing measurements of nitric acid and fine particle ammonium and nitrate, perm

34 The samples were digested with concentrated nitric acid and hydrogen peroxide in a microwave system.

35 on spectrometry after wet-ash digestion with nitric acid and hydrogen peroxide in polytetrafluoroethy

36 method was also proposed by digestion using nitric acid and hydrogen peroxide in reflux system emplo

37 stion is performed in a microwave oven using nitric acid and hydrogen peroxide.

38 A method using digestion with diluted nitric acid and inductively coupled plasma optical emiss

39 acidity (pK(a) = -1) comparable with that of nitric acid and is fully dissociated at the air-water in

40 Photolysis of nitric acid and nitrate (HNO3/nitrate) was investigated

41 id (tau = 3 h) pseudohydrolysis resulting in nitric acid and nonvolatile secondary organic aerosol.

42 ations, we analyze the interface affinity of nitric acid and provide an order of magnitude for its li

43 , was efficiently extracted by sonication in nitric acid and rapidly detected by SERS.

44 The detection of nitric acid and sulfuric acid is demonstrated down to 10

45 on of Am in two systems, perchloric acid and nitric acid and the affect of changing the acid has on t

46 rial design involving the following factors: nitric acid and tin chloride concentrations and sample f

47 lly, polyurethane (PU) foam was treated with nitric acid and used as a framework for the development

48 d via dealloying gold leaf with concentrated nitric acid and was chemisorbed to a standard microscope

49 n using an acidic mobile phase (7 mmol L(-1) nitric acid) and reacted downstream with o-phthalaldehyd

50 rric chloride, (2) 10% maleic acid, (3) 2.5% nitric acid, and (4) an alcoholic solution of HEMA with

51 different solvents (i.e., ethanol, acetone, nitric acid, and acetonitrile), significant desorption o

52 on of eight metals in mouthwash, wine, cola, nitric acid, and water by ICP OES.

53 egy is described in which nitrogen oxides or nitric acid are directly employed in photocatalyzed hydr

54 o a small amount of tea waste, desorbed with nitric acid as a eluent solvent, and determined by flame

55 *) that efficiently activates N(2), yielding nitric acid as the final product.

56 derivatives has been developed using fuming nitric acid as the nitrating agent.

57 Here we investigate reducing Os content in nitric acid, as it is the main contributor to the Os bla

58 ain insight into the properties of molecular nitric acid at the surface of liquid water (the air-wate

59 direct, and green conversion of air/N(2) to nitric acid by bubbling the gas through an aqueous solut

60 ighlighting the possibility that particulate nitric acid can participate in nitration to generate new

61 FN), or the mixture of hydrochloric acid and nitric acid (CN) for 10 min.

62 gest Se in food matrices involved the use of nitric acid combined with ultrasound, which improved bot

63 y to the quantification of Pu(IV) unless the nitric acid concentration is known and separate calibrat

64 significant spectral variation with changing nitric acid concentration.

65 tion of Pu(IV) without a priori knowledge of nitric acid concentration.

66 IFN-gamma and nitric acid concentrations and Mtb growth control were n

67 cium on the undissolved sodium bismuthate at nitric acid concentrations below 1.0 M.

68 are closely associated with reduced gaseous nitric acid concentrations due to uptake and/or sediment

69 in extraction mechanism is observed at high nitric acid concentrations, leading to the formation and

70 As expected, at low nitric acid concentrations, the neutral tetradentate lig

71 Chemical oxidation of a carbon (YP50) using nitric acid decreased the electrode rise potential from

72 non-haem Fe concentrations were measured in nitric acid-digested samples and haem Fe was extracted u

73 and heavy metals were digested using closed-nitric acid digestion and Rijksinstituut voor Volksgezon

74 ith 70% of the total REE recovered by heated nitric acid digestion.

75 MWCNTs oxidized with nitric acid exhibited vastly greater rates of ozone cons

76 Nitric acid exposure induced an insulator to metal trans

77 The total and nitric acid-extractable REE content for more than 100 as

78 Recently a dilute nitric acid extraction (0.43 M) was adopted by ISO (ISO-

79 pared to verify the efficacy of using 2% v/v nitric acid extraction and HPLC-ICPMS to measure inorgan

80 d speciated using both a quantitative dilute nitric acid extraction and speciation (DNAS) and an in v

81 In this study As speciation data using nitric acid extraction/HPLC-ICPMS and XANES are compared

82 id (F), the mixture of hydrofluoric acid and nitric acid (FN), or the mixture of hydrochloric acid an

83 irst oxidized by treatment with concentrated nitric acid for 10h and functionalized by reaction with

84 and cadmium was extracted into 100 microl 1M nitric acid for analysis.

85 lurries were prepared using Triton X-100 and nitric acid for direct analysis of Pb using graphite fur

86 dicating the appropriateness of using 2% v/v nitric acid for extraction of rice prior to speciation.

87 al oil and an acid strippant solution of 5 M nitric acid for the liquid-based separations.

88 ntly by a water-mediated process (leading to nitric acid formation), while the lifetime of a similar

89 The quinone formation step using nitric acid gave the non-natural o-quino-GA product 55 1

90 omprised of microwaving CNTs in concentrated nitric acid had a similar effect on the E(NADH), and, ad

91 isotopic composition of atmospheric nitrate (nitric acid (HNO(3)) + particulate nitrate (pNO(3)(-)))

92 Nitric acid (HNO(3)) is a vital industrial chemical, and

93 These data suggest that much of the nitric acid (HNO(3)) production required to produce AN i

94 ia merging a droplet of an ionic liquid with nitric acid (HNO(3)), and the coalescence of a solid par

95 e (NO(2)), particulate nitrate (pNO(3)), and nitric acid (HNO(3)), resulting in comparable agreement

96 urities present in the gas mixtures, such as nitric acid (HNO(3)).

97 d and extracted into a flowing solvent of 2% nitric acid (HNO(3)).

98 de [NO(2)]) and NO(z) (nitrous acid [HONO] + nitric acid [HNO(3)] + nitrogen trioxide [NO(3)] + ...).

99 ve humidity with respect to ice (RHi) and of nitric acid (HNO3) were made in both natural and contrai

100 Large particles containing nitric acid (HNO3) were observed in the 1999/2000 Arctic

101 nd the solution lead to nitrous acid (HNO2), nitric acid (HNO3), and hydrogen peroxide (H2O2), making

102 forest, including: hydrogen peroxide (H2O2), nitric acid (HNO3), hydrogen cyanide (HCN), hydroxymethy

103 The reaction of OH and NO(2) to form gaseous nitric acid (HONO(2)) is among the most influential in a

104 Homogeneous freezing of nitric acid hydrate particles can produce a polar freezi

105 The constituents in question are ice and nitric acid hydrates, but the exact phase composition of

106 y, ground thoroughly and then digested using nitric acid/hydrogen per oxide (3:1).

107 for 2 days and then digested in a mixture of nitric acid/hydrogen peroxide (3:1).

108 his nitrogen fixation strategy that produces nitric acid in an eco-friendly way might open the possib

109 hat, in contrast with the behavior of strong nitric acid in aqueous solution, gas-phase HNO(3) does n

110 ed digestion step using sodium hydroxide and nitric acid in combination to digest all organic materia

111 on of volatile substances (e.g., ammonia and nitric acid) in the gaseous phase has been demonstrated.

112 e has shown that overnight etching with warm nitric acid increases the surface area 20 times higher t

113 A 'renoxification' process that recycles nitric acid into nitrogen oxides has been proposed to re

114 which has huge environmental relevance since nitric acid is a component of acid rain and also contrib

115 cted from the continental boundary layer and nitric acid is abundant from electrical storms(4,5).

116 ing the determination of recovered Bi in the nitric acid leachates from deposition in the atomizer on

117 ion between sea-salt particles and gas-phase nitric acid, leading to sodium nitrate production in the

118 The treatment of hexamethoxytriptycenes with nitric acid leads to an unprecedented oxidative ring ope

119 Modified nitric acid mass loss test and polarization test demonst

120 e degree of sensitisation (DoS) as judged by nitric acid mass loss testing (ASTM-G67-04), and discuss

121 r the separation of americium from curium in nitric acid media was developed using sodium bismuthate

122 u and (243)Am) over trivalent lanthanides in nitric acid media.

123 s of aeolian origin including sulfuric acid, nitric acid, methanosulfonic acid (MSA), formic acid, se

124 trophilic NO(x) species, such as nitrous and nitric acid, nitric oxide, and nitrogen dioxide.

125 OH radical stretch (nu(1)) and OH stretch of nitric acid (nu(2)) in the OH-HONO(2) complex.

126 t the effect of electrochemical oxidation in nitric acid on the electronic properties of epitaxial gr

127 e extracting aqueous solution (0.1 mol.L(-1) nitric acid) on the sample.

128 rbed U was then extracted with either dilute nitric acid or CARB.

129 Due to their more robust structure, nitric acid oxidation leaves the CNPs with a surface cha

130 arboxylic acid groups on SWNT were formed by nitric acid oxidation.

131 ) pollution during the day but react to form nitric acid, oxidize hydrocarbons, and remove O3 at nigh

132 ors of 2.3 L for the abatement of N2O from a nitric acid plant emission.

133 e pretreated in either water or concentrated nitric acid prior to cation exchange.

134 Decalcification with 7% nitric acid proceeded more rapidly than with 0.5 M EDTA

135 ly but incompletely displaced, likely by the nitric acid produced largely by the heterogeneous uptake

136 p metal alloy gauzes is the crucial step for nitric acid production, a century-old yet greenhouse gas

137 ONO less than 10 times as rapidly as gaseous nitric acid, putting our measurements on the low end of

138 gen peroxide did not improve the Re blank of nitric acid; Re background reduction requires convention

139 osphere, gas-phase nitrogen oxides including nitric acid react with particle surfaces (e.g., mineral

140 of ammonia by hydroxyl radical, reacts with nitric acid regenerating ammonia.

141 drogen peroxide (H2O2) significantly reduces nitric acid's Os contribution to femtogram levels, great

142 r alone or in tandem, through which a single nitric acid solution is passed, without any intervening

143 red and treatment of LiMn(2)O(4) with dilute nitric acid solution resulted in the delithiation of the

144 e(III) and lanthanide(III) radiotracers from nitric acid solutions by a phenanthroline-derived quadri

145 configuration with REEs dissolved in aqueous nitric acid solutions showed high selectivity for REE ex

146 s pertechnetate ion selectively from diluted nitric acid solutions.

147 thod of 0.5%Triton X-100 sonication plus 1 N nitric acid sonication.

148 ions in the CERN CLOUD chamber, we show that nitric acid, sulfuric acid and ammonia form particles sy

149 Popularly utilized oxidation media, via nitric acid/sulfuric acid mixtures, are too corrosive an

150 Apparently, it is nitric acid that is initially transferred to the gas pha

151 ning water, sulfuric acid, and in some cases nitric acid) that are found in the stratosphere, but the

152 In the case of sulfuric and nitric acids, there is no constraint on distal delivery,

153 s SpectraCarb carbon cloth was treated using nitric acid to enhance negative surface charges of COO(-

154 The slag was dissolved in nitric acid to generate an acid solution containing 23.5

155 key factors in reducing Os blank, including nitric acid to hydrogen peroxide volume ratios, wet vers

156 rophilic aromatic substitution reaction with nitric acid to insert aromatic nitro-groups into the ben

157 ever, model studies predict higher ratios of nitric acid to nitrogen oxides in the troposphere than a

158 ean and find evidence for rapid recycling of nitric acid to nitrous acid and nitrogen oxides in the c

159 that tyrosine rapidly undergoes nitration in nitric acid to yield 3-nitrotyrosine, which has a lambda

160 the nature and chemical functionalization of nitric acid treated single-walled carbon nanotubes (SWNT

161 further advance in the bulk purification of nitric acid-treated single-walled carbon nanotubes (SWNT

162 the SWNT were lightly functionalized by the nitric acid treatment and that the degree of functionali

163 carbon fractions, which are generated by the nitric acid treatment.

164 e evidence for a long-predicted phase, alpha-nitric acid trihydrate (alpha-NAT), is presented.

165 A microphysical model of nitric acid trihydrate particles is able to simulate the

166 Nitric acid was investigated as absorbing solution and s

167 Using a CarboPac PA100 column with a nitric acid-water gradient, 28 InsP(x) isomers (InsP(6)

168 solutions of (63)Cu-copper nitrate in dilute nitric acid were irradiated by 14-MeV protons in a low-e

169 inetics of the reaction between As metal and nitric acid were studied, and the results were applied t

170 rolysis allows for the in-situ generation of nitric acid, which, in combination with anodic stripping

171 onia by hydroxyl radical and the reaction of nitric acid with amidogen radical in the Earth's atmosph

172 Pretreating high-purity nitric acid with hydrogen peroxide (H2O2) significantly

173 The reaction of nitric acid with the hydroxyl radical influences the res

174 rs of magnitude greater than that of gaseous nitric acid, with nitrous acid as the main product.