Results 61 to 70 of about 6,482,080 (294)
Application and Properties of Low Alloying Sulfuric Acid Dew Point Corrosion-Resistant Steels
Teshugang, 2005 The sulfuric acid dew corrosion- resistant steels are low alloying steels for heat exchanging component. There are two kinds of sulfuric acid dew corrosion- resistant steel:(1)base alloy elements-0.2%～0.5%Cu-＞0.010S adding a small quantity P,Sn,As, Sb,Se,
钱余海, 李自刚, 杨阿娜
doaj
Comparison of two differentiation reagents for the staining of leprosy bacilli
Pifu-xingbing zhenliaoxue zazhiObjective To compare the effects of 20% sulfuric acid and acidic alcohol for the staining of leprosy bacilli in order to choose a better acid fast staining reagent for leprosy patients.
WEN Xiao +4 more
doaj +1 more source
RECYCLING OF PRINTED CIRCUIT BOARDS AIMING SILVER RECOVERY: A HYDROMETALLURGICAL ROUTE STUDY [PDF]
Tecnologia em Metalurgia, Materiais e Mineração, 2015 The aim of this paper is characterize printed circuit board of computers and propose a hydrometallurgical route for silver recovery present in its composition. Initially, the printed circuit board was comminuted in both knife and hammer mills.
Marcos Paulo Kohler Caldas +4 more
doaj +1 more source
Aniline effect on concrete steel rebar degradation in saline and sulfate media [PDF]
, 2011 Electrochemical potential monitoring experiments were performed on mild steel rebars embedded in concrete admixed with aniline inhibitor and fixed amount of sodium chloride salt partially immersed in sulfuric acid and sodium chloride solution.
Ajayi, O. O. +3 more
core +2 more sources
Preparation of 5-Bromo-2-naphthol: The Use of a Sulfonic Acid as a Protecting and Activating Group
Molbank, 2009 The preparation of 5-bromo-2-naphthol (4) in three steps from 5-amino-2-naphthol (1) is described. A sulfonic acid group is introduced at the 1-position as an activating and protecting group for the Sandmeyer reaction.
Christopher Abelt +2 more
doaj +1 more source
Materials Research Express, 2020 Localized electrochemical deposition (LECD) is a promising method for three-dimensional micro-/nanofabrication and, thus, the factors influencing LECD have been intensively investigated.
Qixin Qing, Fuliang Wang
doaj +1 more source
Journal of Natural Fibers, 2022 The effects of acid hydrolysis parameters (acid type, acid concentration, reaction time, and temperature) on the properties of nanocellulose (NC) extracted from almond shells were investigated.
Mohammed Alhaji MOHAMMED +4 more
doaj +1 more source
Non-spectral interferences due to the presence of sulfuric acid in inductively coupled plasma mass spectrometry [PDF]
, 2015 Results of a systematic study concerning non-spectral interferences from sulfuric acid containing matrices on a large number of elements in inductively coupled plasma–mass spectrometry (ICP-MS) are presented in this work.
Allain +33 more
core +2 more sources
Corrosion and Tribological Behavior of Hastelloy C-276 in a Sulfuric Acid Environment [PDF]
Cailiao BaohuSulfuric acid is an important basic chemical feedstock in the national economy. Equipment used for its production，storage，and transportation typically operates for long periods in sulfuric acid media with varying concentrations and wide temperature ...
HE Meihong, SUN Jianfang, CHEN Yong, SU Fenghua, HE Shizhong
doaj +1 more source
The colorimetric determination of hexoses with carbazole [PDF]
, 1947 The optimum conditions for the calorimetric estimation of hexoses by reaction with carbazole in hot sulfuric acid solution have been determined and a convenient procedure, giving results with a precision of 2 to 5 per cent in the range of 50 to 150 γ of ...
Holzman, George +2 more
core