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  • Analytical
    • Errors
      • errors
      • calculation of errors
      • Accuracy and Precision
      • Analysis of errors
      • Deviation ad standard deviation
    • significant Figures
    • Fundamentals of analytical chemistry
      • Introduction
      • mole concept
      • Concentration units
      • Methods of analysis
      • sampling
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Category: Analytical Chemistry

151.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(15) – Sampling(2).

August 13, 2020 Gauri Nigudkar

In the previous post, we learned that getting an appropriate representative sample for analysis is a very important step in getting accurate results.In this post,

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150.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(14) – Sampling(1).

July 8, 2020 Gauri Nigudkar

We talked about different methods of analysis in the previous post and inferred that only with experience and intuition , we can choose a correct

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149.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(13) – Methods of Analysis.

July 2, 2020 Gauri Nigudkar

Analytical chemistry is all about analysis. In this post, we shall look at the various methods of analysis that we encounter in this branch of

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148.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(12) – Concentration units(7).

June 28, 2020 Gauri Nigudkar

1. Calculate gram equivalents of the following – (Given – Eq.wt of O=8,Al =9)i)7 × 10-3 kg of oxygen.ii) 4.5 × 10-3 kg of aluminium

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147.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(11) – Concentration units(6)- Normality (5).

June 10, 2020 Gauri Nigudkar

In the previous posts,we have studied in detail, how to find n-factor and equivalent weight for a number compounds.In this post we shall talk more

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146.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(10) – Concentration units(5)- Normality (4).

June 3, 2020 Gauri Nigudkar

SALTS Salts are ionic compounds, consisting of cations (positively charged ions) and anions (negatively charged ions). e.g.- CuSO4 ⇒ Copper sulfate is a salt that

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145.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(9) – Concentration units(4)- Normality (3).

May 19, 2020 Gauri Nigudkar

BASES In general, a base is a compound that yields OH– ion/s on dissociation. Example 5 – Let us now consider a base, sodium hydroxide

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144.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(8) – Concentration units(3)- Normality (2).

May 3, 2020 Gauri Nigudkar

In this post, we will specifically look at some acids whose n-factor calculation can seem a little tricky. We will study the structure of these

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143.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(7) – Concentration units(2)- Normality (1).

April 10, 2020 Gauri Nigudkar

4.Normality Normality is a concentration unit that uses chemical equivalent or gram equivalent term. This concentration term is not very commonly used in today’s laboratories.

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142.FUNDAMENTALS OF ANALYTICAL CHEMISTRY(6) – Concentration units(1).

March 4, 2020 Gauri Nigudkar

In analytical chemistry one often has to deal with solutions and thus it is very important to know parameters used to define concentration. A solvent

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141.Fundamentals of Analytical Chemistry(6) – The mole concept(4).

December 20, 2019 Gauri Nigudkar

Before starting to solve problems on the mole concept, let us jot down a few important formulae – Let us solve some problems based on

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140.Fundamentals of Analytical Chemistry(5)- The Mole concept(3).

November 25, 2019 Gauri Nigudkar

In the previous post, we discussed how to relate a measurable quantity , volume , to a mole. In this post we will discuss how

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139.Fundamentals of Analytical Chemistry(4) – The Mole Concept(2)

November 13, 2019 Gauri Nigudkar

In the last post we left some questions unanswered. Questions like – How does one relate the number of particles to volume and mass of

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138.Fundamentals of Analytical Chemistry(3)-The Mole Concept(1).

November 10, 2019 Gauri Nigudkar

In this post, we are going to study one of the most seminal concepts, not only in analytical but in entire chemistry. Understanding this concept

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137.Fundamentals of Analytical Chemistry(2) – Introduction(2).

November 5, 2019 Gauri Nigudkar

9.Confidence Limit (CL)-  The confidence limit is the level of confidence we have about a value being  statistically  significant. Confidence Limit (CL)=  100 × (1 − α)

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136. Fundamentals of Analytical Chemistry (1)-Introduction(1).

November 1, 2019 Gauri Nigudkar

From this post onwards we will start getting acquainted with some fundamentals of analytical chemistry. What is analytical chemistry? What all topics does it encompass?

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20.Significant Figures(2).

August 13, 2016 Gauri Nigudkar

Since our last post we are trying to get an overview of the concept of significant figures and we shall continue to do so in

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19.Significant Figures(1).

August 9, 2016 Gauri Nigudkar

  We have been exploring the topics ‘measurements’ and ‘errors‘ in the previous few posts. Whatever we have learned till now,can be recapitulated as follows –

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18.Analysis of errors(3)-Deviation and Standard Deviation.

August 5, 2016 Gauri Nigudkar

Our last post was all about studying different parameters and formulas. In this post let us study two very important concepts, from among various parameters

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17.Analysis of errors(2).

August 3, 2016 Gauri Nigudkar

We have been studying all about errors in the last few posts.We continue our discussion further and talk in greater detail about ways of expressing

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16.Analysis of Errors(1)- Accuracy and Precision.

July 26, 2016 Gauri Nigudkar

As mentioned in my earlier post , we start this post with the introduction of two new parameters in error analysis namely – ACCURACY & PRECISION.

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15.Calculation of Errors.

July 21, 2016 Gauri Nigudkar

In the last post we discussed how measurements are subject to errors and the different types of errors that one might come across.In this post

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14.Errors

July 11, 2016 Gauri Nigudkar

  As mentioned in the last post, the unawareness of uncertainties in our measurement renders our experimental data insignificant.While measuring any quantity, there can be

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A blog written to elucidate concepts in chemistry.

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