What is responsible or chemistry behind the violet blue colouration in the identification of cellulose using iodized zinc chloride?

10 January 2019 1 5K Report

To determine if a sample is cellulose, one uses iodized zinc chloride. A violet-blue colouration suggests the sample may be cellulose.

Chisom Umeileka

Thanks Ivan

Badges
Science topic

Similar topics
Agriculture
Horticulture
Seeds

More Chisom Umeileka's questions See All

How can i quantify a qualitative data and then relate it to a quantitative data to find the interrelationship?

Please I am doing this project. My qualitative data is THE QUALITY OF HOUSING (looking at the interior, exterior and neighbourhood. While the qualitative data is the housing affordability. Please...

30 January 2024 2,927 7 View

Can i get a note base on consular relations?

long explanation and no plagiarism but it can be in biography

20 November 2022 104 0 View

How do I determine or calculate energy (biogas) from 450 tonnes of spent grains?

#Anaerobic digestion using brewery spent grain, What amount of biogas can this produced

16 August 2022 2,107 2 View

What are the current trends in nanotechnology in Africa and the World?

I need research papers on nanoremediation in Nigeria, Africa and the globe. What is the level of Nanoremediation research in Nigeria, Africa and the World? Research papers

30 June 2022 6,747 0 View

Can I get Masters thesis suggestions related to ''pharmaceutical supply chains''?

Hello everyone, I am a supply chain managment masters student , currently doing my thesis. I am looking for suggestions /further readings for topics related to ''sustainable pharmaceutical supply...

15 March 2022 1,648 5 View

I want to synthesize a coumarin derivative from a hydroxyaldehyde and 𝛽-ketoester, bearing aldehyde functionality. Can I achieve it using Pechmann ?

I am working on the synthesis of coumarin derivatives with aldehyde functionality by condensing a hydroxyaldehyde and 𝛽-ketoester using Pechmann condensation reaction. I need your responses...

05 June 2021 1,782 3 View

I can’t find Dimethyl carbonate on Aspen hysys V10 component list. Any guide on how to solve this?

I am modelling an extractive distillation of Dimethyl carbonate and methanol using phenol as entrainer on Aspen Hysys V10 but I can’t find dimethyl carbonate amongst the component list

16 March 2021 5,777 2 View

How do I average hourly sequential meteorological data to monthly or seasonal for AERSCREEN?

Hi all, I am doing some work with AERSCREEN and ADMS-SCREEN and I am trying to compare both models for short term pollutant concentration. I have one-year hourly sequential meteorological data...

03 May 2020 8,529 0 View

How can I get retinal images of pregnant women, also after they have delivered?

Fundus images

13 November 2016 8,652 3 View

How is endogeous NAD+/NADH removed from cell lysates?

Hi everyone, I currently perform enzymatic experiments in which the amount of reduced exogenous NAD+ correlates with the level of a metabolite. However, my main concern is how to get rid of...

01 January 1970 7,940 0 View

Is skin yellowness an numerical or ordinal variable?

I have a response variable called skin yellowness, which I will measure via a scored color chart, whereby 1 is pale yellow and 15 is orange. I'm not sure if this counts as an ordinal variable,...

11 August 2024 4,793 1 View

Why chloride turns into chlorine gas in a Downs cell?

I imagine the battery drives the graphite into a carbocation, then chloride is oxidized to donate the electron to the carbocation, but what pushes the lost electrons of chloride to be shared...

03 August 2024 5,384 0 View

What Are the Best Alternatives to the MTT Assay for Assessing Cell Toxicity of Colored Herbal Extracts?

I am currently investigating the cytotoxicity of a series of herbal extracts, and like many studies, I have been using the MTT assay to evaluate cell viability. However, I am encountering a...

31 July 2024 193 4 View

Why applying a saved template of a bar chart in a different/new one doesn't take effect in SPSS?

Using SPSS, I made my edits in one bar chart — e.g., font type and size, hiding grid lines, and colours, namely: blue, orange, green, purple, and grey for 5 bars, respectively, etc. — and I saved...

29 July 2024 1,981 1 View

Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

Hi, researchers, Is it possible to use a safer acid instead of monochloroacetic acid to convert bacterial cellulose to carboxymethyl cellulose?

29 July 2024 4,570 0 View

How to estimate sample size for GWAS of continuous and discrete traits? What are the pre-requisites?

Genome-wide association study (GWAS) Continuous traits: eg. Height Discrete traits: eg. Eye color

28 July 2024 286 0 View

Can anyone help me explain my problem?

Hi, Now I am doing a single-base editing by using HiFi Cas 9, guideRNA, single stranded DNA, HDR Enhancer V2 and my tranfection mehtod is lipofection (RNAiMax). Unfortunately, after gene editing,...

26 July 2024 2,136 0 View

Aqua regia not heating up?

I used Aqua regia to clean Au nanoparticles in the used glassware. But for some reasons, it is not heating up upon mixing. The color did change from no color to light orange. The Au NPs on the...

25 July 2024 4,390 0 View

My question concerns MTT cell viability assay?

Despite not having cells in the media, I am getting purple color. I have tried many troubleshooting methods, varying media types, and even different MTTs from different companies to figure out the...

21 July 2024 9,914 1 View

Best statistical test for three groups and binary dependent variable ?

Hello everyone, I am currently working on a project where I aim to analyze color preferences in data visualizations across participants from three different countries. The dependent variable in...

19 July 2024 4,178 2 View