Mineral beneficiation[1] is the process of separating economically essential minerals from their respective ores. The main motive of ore dressing is to remove unwanted particles such as dust and other minerals, gangue or matrix from the ore. It is the first process that most ores undergo after mining in order to provide a more concentrated material for the procedures of extractive metallurgy.<…
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Unlock Hidden Value in Your PCBs with Our Advanced Precious Metal Recovery Testing In 2024, electronic PCBs (Printed Circuit Boards) are the unsung heroes of modern life, powering everything from your smartphone to your car’s safety systems. They’re the brains behind our smart world.
In essence, they’re the invisible yet essential components that make our modern lives possible. Industries where precious metals are integral to your products, maximizing their recovery from PCBs (Printed Circuit Boar…
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Per- and polyfluoroalkyl substances (PFAS), commonly referred to as "forever chemicals," have emerged as a significant environmental and health concern. These synthetic compounds, renowned for their non-stick and water-repellent properties, have been widely incorporated into various consumer products, ranging from cookware and clothing to food packaging.
The pervasive use of PFAS has led to widespread environmental contamination. Once released into the environment, these chemicals persist for ext…
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At Mitra S K Pvt Ltd, we are at the forefront of delivering advanced testing services that cater to a wide range of industries. One of our cutting-edge services includes the precise estimation of total amylose, soluble amylose, and leached amylose in raw potato and dehydrated potato flakes—a crucial step for the food and industrial sectors.
Amylose is a line…
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PM100 typically refers to particulate matter with a diameter of 100 micrometres or less generated during mining activities. These larger particles are generally associated with dust and debris generated from blasting, drilling, crushing, and transporting materials within a mine.
Sources of PM100
At Mitra S. K. Pvt. Ltd, we are continuously exploring innovative ways to utilize industrial by-products. Our recent study focused on the potential of spent grain, a by-product of the brewing industry, for oil extraction and as a nutritious feed for fish and animals.
Key Findings:
Spot emission measurement for a cement plant is a crucial activity for monitoring and controlling air pollution. Cement production processes can release various pollutants into the atmosphere, including particulate matter (dust), sulfur dioxide O2), nitrogen oxides (NOx), carbon monoxide (CO), volatile organic compounds (VOCs), and other greenhouse gases.
Performance guarantee and performance evaluation tests are two related concepts that are often used in various fields to ensure and assess the quality, reliability, and effectivenessof products, services, or systems. These concepts are commonly used in industries such as construction, engineering, manufacturing, and information technology.
Aquatic Flora and Fauna:
Introduction:
At Mitra S.K. Private. Limited. (MSK), we continually strive to deliver in-depth knowledge-based solutions to our clients. Our recent advancements in the mineralogy of Manganese set a guideline for mines, especially in the field of beneficiation of low-grade ore. This case study explores the journey, challenges, and breakthroughs of our R&D efforts.
Background:
The mineralogy of manganese ore is complex, containing several oxidation states of Manganese. Underst…
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In cold climates, transporting minerals like iron ore can pose significant challenges due to freezing, which hampers their mobility. Recognizing this issue, MSK undertook a thorough assessment of bulk mineral freezing at low temperatures to find a solution. Our approach was grounded in scientific inquiry, aiming to understand the intricacies of this phenomenon.
Through exhaustive research, we identified key factors affecting mineral freezing: moisture content, freezing time, and flowability. By establishing correlations among these…
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GHGs directly trap heat and increase global warming but there is another concept that is becoming alarmingly serious, the indirect GHGs which do not trap heat themselves but contribute to global warming through their own chemical transformations, influencing the atmospheric lifetime of other greenhouse gases, and affecting the absorptive characteristics of the atmosphere such as affecting cloud formation (United States Environmental Protection Agency, “Inventory” ES-2). Some are grouped as follows
Nitro…
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Introduction:
Silica (SiO2) is a highly abundant mineral found in the earth's crust. It comprises several minerals and is the principal component of over 95% rocks. Silica naturally occurs in both amorphous and crystalline forms. In crystalline silica, silicon atoms are bonded to four oxygen atoms forming tetrahedrons which are connected to each other in a three dimensional array, different from a random pattern in amorphous silica. Additionally, crystalline silica appears in several polymorphic form…
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Once a lithium-ion battery is retired, the batteries can be collected, fully discharged, then shredded and base metals are separated for recycling. This shiny, metallic mixture that is called ‘black mass’ is a mixture of valuable metals including lithium, manganese, cobalt and nickel. The typical black colour is due to the high concentrations of graphitic Carbon. The black mass can be used as a secondary source of critical elements like cobalt, lithium and nickel and goes with the concept of “Urban Mining’. Consequent…
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Abstract:
Both Cinnamomum zeylanicum (Ceylon Cinnamon, True Cinnamon) and Cinnamomum cassia (Cassia, Chinese Cinnamon) are visibly almost similar and widely used for culinary purpose due to its aroma and flavor. However Cassia is known to contain high amount of coumarin which is known to have toxic effects on the liver, kidneys and lungs. A rapid and simple High Performance Liquid Chromatography (HPLC) method has been developed for the quantification of coumarin in Cinnamomum zeylanicum a…
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Introduction
Biogenic amines are basic nitrogenous compounds formed because of microbial decarboxylation of amino acid. Large amounts of biogenic amine can cause allergy like food poisoning, known as scromboid poisoning, which can lead to death in very sensitive subjects. Histamine content increases with the progress of fish decomposition at processing plants or even after catching. Tyramine is reported to cause food intoxication commonly associated with ripened cheeses, affecting health …
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ABSTRACT:
Nowadays, human exposure to microplastic (MP) particles through the contamination of foods may be a risk factor …
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ABSTRACT
Proline is the predominant free amino acid of honey and it is a criterion for estimating the quality and the antioxidant activity of the honey. Proline is essential to evaluate the conformity of honey to the current legislation. Proline content has been used as the indicator of honey ripeness and sugar adulteration when it falls below a value of 180 mg/kg (as per Food Safety Standard Authority of India). The aim of this study is to estimate proline content in different marketed brands of honey samples by u…
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Abstract:
Genetically modified organisms are produced by modifying or altering their genetic material by means of Genetic Engineering technique and which does not occur naturally.
DNA based identification is more superior and widely accepted compared to protein based approach because of their limitations.
In the DNA based method, DNA is extracted from homogeneous test material. The quantity and quality of the extracted DNA are evaluated for the testing the suitability of PCR amplification.
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Introduction
Biogenic amines are basic nitrogenous compounds formed because of microbial decarboxylation of amino acid. Large amounts of biogenic amine can cause allergy like food poisoning, known as scromboid poisoning, which can lead to death in very sensitive subjects. Histamine content increases with the progress of fish decomposition at processing plants or even after catching. Tyramine is reported to cause food intoxication commonly associated with ripened cheeses, affecting health due to its capacity to pote…
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INTRODUCTION
Acrylic acid vapours is primarily confined to production processes because most acrylic acid is used as a precursor in the production of a variety of different acrylates. The alkyl esters of acrylic acid are used to produce a number of products including acrylic fibers, emulsion and solution polymers, and surface coatings. Some of the free acid is used to produce polyacrylic acid, which has industrial uses as a thickener, flocculants, and binder
Acrylic acid is a polar acidic compound. It is …
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Abstract:
Loss of nutrient from conventional fertilizers is one of the challenges being faced in the agricultural sector. Nano fertilizers are promising candidates for the fertilizer industry with a huge potential to improve nutrient retention for optimal growth. The present study deals in the application of a slow releasing nanocomposite fertilizer with a high potential to sustain crop production. The present study deals with two aspects; Water Holding Capacity (WPC) and release patterns of nutrie…
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Abstract:
Electronic waste or E-Waste describes discarded electrical or electronic devices. Informal processing of E-waste in developing countries can lead to adverse human health effects and environmental pollution. The present study deals to assess the leaching ability of metals (namely, Copper, Manganese, Nickel, Lead, Antimony and Zn) from a mobile circuit board in different pH condition of water. It was observed that different metals showed varying leaching potential at various pH. This is of huge interest in …
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EXPLORATION OF REDMUD
Introduction:
Red mud, now more frequently termed bauxite residue, is an industrial waste generated during the processing of bauxite into alumina using the Bayer process. It is composed of various&nbs…
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Introduction:
Activated carbon is a common term for a family of highly porous carbonaceous materials that cannot be defined by a structural formula, or by chemical analysis. In other words, a piece of carbon with millions of tiny interlocking holes (called pores) is called activated carbon. Activated carbon is essentially carbon, it is inert, and so it carries no charge. Since activated carbon carries no charge, its internal surface area is also neutral, therefore activated carbon will adsorb only neutral species. …
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Introduction:
Fire assaying is an age-old technique which uses intense heat and dry reagents called fluxes to extract precious metals for its ores. Nowadays, lead fire assay and nickel sulfide fire assay are widely applied as separation and pre-concentration procedures for gold and the platinum-group elements before instrumental determination. For the analysis of all platinum group elements (PGE) in geological samples, the best method for sample decomposition and precious metals extraction is nickel sulfide fire as…
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NPK fertilizers are a class of complex fertilizers that contain the elements nitrogen, phosphorous and potassium.
Nitrogen is used by the plants to provide leafy growth and formation of stems and branches. Basically, the more leaf a plant produces, the higher is its nitrogen requirement.
Phosphorous is essential for seed germination and root development. It is useful particularly for young plants forming their root system and by food and seed crops. Root vegetables such as carrots and turnips need plentiful phosphorous to…
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Introduction
Portland cement is a binder, a substance used for construction that sets, hardens, and adheres to other materials like sand or gravels to bind them together. It is a backbone material for any kind of masonry construction works like household foundations, multistoried building, roads, bridge construction etc. So quality checking of cement either in factory site or in laboratory is a necessary action to ascertain its strength. Key ingredient of this cement is clinker which is a h…
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A brief discussion on Lead acid battery recycling and associated challenges
Lead acid batteries (LAB) are easy to design, low cost in manufacturing, safe and reliable. Most of the lead produced world wide are consumed by the LAB industry. Unfortunately, lead is a hazardous material and essentially needs to be recycled to minimize the impact on the environment. Almost 90% of the LABs produced globally are recycled today.
A spent lead battery has four components that can be recycled. Approxim…
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Introduction
Phosphorus is a hazardous impurity (poison) in steel. Steel with high phosphorus content becomes extremely brittle at a low temperature, and the mechanical properties of steel exhibit worsening impact strength and elongation abruptly decrease. Therefore, for obtaining low-phosphorous manganese-containing steels, it is necessary to have manganese ferroalloys with the lowest possible phosphorus content. The production of such manganese ferroalloys is possible in the presence of low-phosphorus ores and co…
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Keywords: Hydrocarbon, Solid Phase Extraction, Paraffin, Gas Chromatography.
Introduction
A simple, fast gas chromatographic-flame ionization detection (GC/FID) method combined with a solid phase extraction (SPE) has been established to determine the mineral oil-saturated hydrocarbons (MOSH) in vegetable oils.
Mineral oils are certain fractions from petroleum refining and maybe traded under various designations such as Paraffinum Liquidum, Paraffin, Petrolatum (soft paraffi…
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Abstract:
Alpha-amylase is considered to be one of the primary enzymes responsible for starch degradation in cereals. During grain germination, α-amylase initiates the conversion of starch into simple sugars to fuel embryo and coleoptile growth in the first few days of germination. The present study involves the estimation of Alpha amylase content in four different grains varieties, namely, black matpe, green mung beans, chana and chick peas up to 8 days after germination. It was observed that, alpha amylase …
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Introduction
β – Carotene the precursor of Vitamin A is a red-orange pigment present in plants and fruits like carrot, broccoli, lettuce, sweet potato, tomato, and winter squash and gives them their color. More intense the color the more beta carotene it has. This Carotenoid is added to many foods such as margarine, infant formula etc. Carotenoids belong to the most important group of natural pigments as they contribute too many diverse functions due to their high structural diversity. They also possess …
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Introduction:
The bursting of crackers during in any occasion increases the concentration of dust and pollutants. The fine dust that settles after bursting crackers is rich in pollutants like oxides of Sulphur and nitrogen, metal dust and organic pollutants.
Even the tiny sparklers, torches and flower pots which are otherwise considered to create no noise at all but can generate thick smoke that can affect the respiratory tract of human. The suspended particulate matter (SPM) levels rise significantly dur…
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Abstract:
Anthocyanins are a type of pigment found in fruits that offer health benefit. It belongs to a class of compound called flavonoids that have antioxidant properties. The colour change from pink red to blue violet with change in pH values from 1.0 to 4.5 indicates the presence of anthocyanin. The total anthocyanin content was analyzed by the pH differential method by measuring the absorbance at pH 1.0 and pH 4.5 by UV-Vis spectrophotometer. Anthocyanin content was estimated in five popular fresh fruit sample…
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ABSTRACT
Black pepper (Piper nigrum) is a spice vine crop which is used as a food preservative and as an essential component in traditional medicines. Piperine, a major alkaloid, is the major bio-active component of pepper, which imparts pungency and biting taste to it. This naturally occurring alkaloid has numerous demonstrated health effects and beneficial therapeutic properties. Piperine is considered as one of the most promising bioenhancers till date. Several methods used for its extraction and isolation suffe…
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Abstract:
The process of repeated frying of refined palm oil plays a significant role in the generation of free radicals, which could be detrimental to human health. In the present study, palm oil was subjected to frying till 8hr and samples were taken at 0hr, 2hr, 4hr, 6hr and 8hr and subjected to physico-chemical analyses including Malondialdehyde (MDA) expressed as Thiobarbituric Acid Reactive Substances (TBARS).It was observed that there were significant increases in free fatty acid (FFA), peroxide value, p-ani…
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ABSTRACT:
Determination of Nitrate Nitrogen, Urea –Nitrogen and Ammoniacal Nitrogen in fertilizer samples by IR spectroscopy. The main forms of Nitrogen in fertilizer are Ammoniacal Nitrogen, Urea Nitrogen and Nitrate Nitrogen. In this study, FTIR –ATR spectra of Nitrate, Urea and Ammoniacal Nitrogen standard solution with low to high concentration were prepared by using Potassium Bromide (KBr). The result showed that the wavenumber of Nitrate –Nitrogen (at a region 824 cm-1) Urea- Nit…
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The protein digestibility-corrected amino acid score (PDCAAS) has been used to evaluate protein quality in human foods. Previously Amino Acid Scoring (AAS) provides a way to predict how efficiently protein will meet a person’s amino acid needs. But this method has some drawbacks, in this method AAS is determined after acid hydrolysis of proteins which results in total amino acid content but some of the amino acids in the total pool are not bioavailable. Some of the protein may not be dig…
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Introduction:
Total carbon in the Biomass is comprised of two fractions: combustible and carbonate carbon. Combustible carbon corresponds to total organic carbon (TOC) while carbonate carbon corresponds to total inorganic carbon. The amount of the combustible carbon content in biomass can be used for the determination of the performance and efficiency of biomass boiler furnaces as well as of different thermo-chemical (liquefaction, gasification, and pyrolysis) reactors for carbonaceous fuels.
Prin…
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Abstract:
This present work was aimed at the quantitative determination of three anti-nutritional factors (Oxalate, Phytate, and polyphenolics) in wine samples. The determination of polyphenolics was done using Folin-Ciocaltau’s Spectrophotometric method; the determination of oxalate was done through titrimetric method and phytate was estimated by spectrophotometric method. The result revealed that the wine samples actually contained these anti-nutritional factors in varying amounts. Intake of the wine over …
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Introduction:
The Ultraviolet spectrum has four wavelengths, these are:
Only this last wavelength, Vacuum UV, is capable of producing ozone.
Principle:
This method can be used to determine the effi…
Chief Operation, FAMD, Tata Steel Limited..
Sr. General Manager,, Emirates Trading Agency L.L.C..
Mines Manager, Hindustan Zinc Limited, a Vedanta Company.
General Manager, Stevin Rock L.L.C..
Executive Vice President (Works),, DCW Limited.
AVP – Coal Quality & Sales Compliance Head,, PT Indo Tambangraya Megah Tbk (BANPU).
Laboratory Head, MMX.
Shipping Administrator, Mount Gibson Iron Limited.
Senior Director – Asia Pacific Iron Ore Sales,, Cliffs Natural Resources Pty Ltd..
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