Determination of acetic acid in vinegar adulterated sample with cloridric acid - an experiment integrated of potentiometric and conductometric titrations
摘要：
The determination of acetic acid in vinegar adulterated sample using simultaneous potentiometric and...
doi：
10.1590/S0100-40422010000300049
作 者：
Souza, Ana Paula Rua...
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Química Nova
Development of an environmentally more benign reflectometric method for the determination of metoclopramide in pharmaceutical formulations
摘要：
A simple and more environmentally friendly method by combined spot test-diffuse reflectance spectros...
doi：
10.1590/S0100-40422010000200039
作 者：
Pezza, Leonardo;Gota...
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Química Nova
Methodology for the study of the dolomite porosity in essay of interrupted sulfation
摘要：
The aim of this work is to propose a methodology to evaluate the evolution of the pore blockage of l...
doi：
10.1590/S0100-40422010000800021
作 者：
Universidade de São ...
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Química Nova
Comparative analysis between several methods of quantification of eucalyptus wood hemicelluloses
摘要：
Pulp hemicelluloses can be extracted with NaOH and quantified by colorimetric and gravimetric techni...
doi：
10.1590/S0100-40422010000700025
作 者：
Carvalho, Ana Márcia...
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Química Nova
Cyanogenic polimorphysm in brackens, Pteridium arachnoideum and P. caudatum, from the northern Andes
摘要：
Cyanogenesis in Pteridium caudatum and P. arachnoideum has been examined. Samples of the Andes of So...
doi：
10.1590/S0100-40422010000700018
作 者：
Alonso-Amelot, Migue...
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Química Nova
Development of new dissolution test and HPLC-RP method for anti-parasitic ornidazole coated tablets
摘要：
This work aimed the development and validation of a new dissolution test for ornidazole coated table...
doi：
10.1590/S0100-40422010000200042
作 者：
Universidade Federal...
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Química Nova
Reactivity of α-oxoketene dithiocetals in organic synthesis
摘要：
The synthesis and reactivity of 伪-oxoketenes dithioacetals (S,S-acetals), general structure [(R鹿C=OC...
doi：
10.1590/S0100-40422010000300039
作 者：
Universidade Federal...
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Química Nova
Levels of bioactive compounds in commercial roasted and ground coffees
摘要：
The amounts of nicotinic acid, trigonelline, 5-CQA, caffeine, kahweol and cafestol in 38 commercial ...
doi：
10.1590/S0100-40422010000400023
作 者：
Dias, Rafael Carlos ...
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Química Nova
Production of analytical grade 2-ethoxy-2-methylpropane from a commercial product
摘要：
Ethyl tert-butyl ether (ETBE) is produced by commercial processes to a purity of up to 96%. In recen...
doi：
10.1590/S0100-40422010000300046
作 者：
Cataluña, Renato;Uni...
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Química Nova
Synchronous scanning phosphorimetry for the selective determination of chrysene: a metrological study
摘要：
Room-temperature phosphorimetry was used to quantify trace levels of chrysene in sugar-cane spirits ...
doi：
10.1590/S0100-40422010000600016
作 者：
Ziolli, Roberta L.;C...
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期刊标题：
Química Nova
