Hoi Yun Choy Bsc
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Hoi Yun Choy Bsc Email & Phone Number

Administrative Employee Product Research at Koopman International B.V.
Location: Amsterdam, North Holland, Netherlands 18 work roles 4 schools
1 work email found @upcmail.nl LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

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Current company
Role
Administrative Employee Product Research
Location
Amsterdam, North Holland, Netherlands
Company size

Who is Hoi Yun Choy Bsc? Overview

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Quick answer

Hoi Yun Choy Bsc is listed as Administrative Employee Product Research at Koopman International B.V., a with 386 employees, based in Amsterdam, North Holland, Netherlands. AeroLeads shows a work email signal at upcmail.nl and a matched LinkedIn profile for Hoi Yun Choy Bsc.

Hoi Yun Choy Bsc previously worked as Laboratory Technician at Eurofins Pss Insourcing Solutions and Associate Scientist at Diversey Nederland. Hoi Yun Choy Bsc holds Bachelor Of Science (Bsc), Chemistry, 7 from Hogeschool Utrecht.

Company email context

Email format at Koopman International B.V.

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*@upcmail.nl
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Profile bio

About Hoi Yun Choy Bsc

My name is Hoi Yun and I am a Chemical Analyst with more than eight years of Work Experience at QC and R&D laboratories (mainly in petrochemistry, cleaning detergents, medicines and consumer goods (non-food)). I am a flexible, motivated, customer focussed and an accurate analyst. I am an expert in wet chemistry analyses (including titrations), wastewater analyses, sample preparation, building of setups, electrolysis analyses, HPLC, GC, LC-MS / MS, HNMR, AAS, XRF, ICP, UV / VIS, FT-IR and flame AAS.Specialties: Writing Skills, safety, working on improvement projects in the lab and giving results as quickly as possibleAt the moment I work at Koopman International (Permanent) as an Administrative Employee Product Research. In my spare time I practice languages (Spanish, German and Cantonese) and give people advice about applying for jobs.

Listed skills include Laboratory, Titration, Analysis, Chemistry, and 46 others.

Current workplace

Hoi Yun Choy Bsc's current company

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Koopman International B.V.
Koopman International B.V.
Administrative Employee Product Research
netherlands
Website
Employees
386
AeroLeads page
18 roles

Hoi Yun Choy Bsc work experience

A career timeline built from the work history available for this profile.

Administrative Employee Product Research

Current

Amsterdam, North Holland, Netherlands

Environment (Electronics, Personal Protective Equipment, cushions, batteries, medical devices and articles containing food):Create and import certificates.Create and check manuals.Testing of electronics.Check artwork.Send requests for test reports and certificates.Check test reports and certificates.Making of EPREL labels for light sources. Communication with suppliers and customers.Work on improvement projects in the lab. Training of new staff. Coordinating of a small team.Making of test calculations and checking test reports (Food Contact Material).Analysing of samples with FTIR. Answering questions of authorities (usually Germany and Belgium). Experience with consumer goods (non-food). This laboratory works under ISO 9001.

Mar 2022 - Present

Administrative Employee Product Research

Amsterdam, North Holland, Netherlands

Environment (Food Contact Material):Make a report of internal tests and enter data into the database.Shipment of external tests.Request test reports and check these.Create and import certificates.Create and check manuals.Create Material Safety Data Sheets.Check artwork.REACH tasks.Making notifications for samples that contain SVHC's.Communication with suppliers and customers.Work on improvement projects in the lab.Experience with consumer goods (non-food).This laboratory works under ISO 9001.This job was found on the website of Koopman International B.V.

Apr 2021 - Mar 2022

Laboratory Technician

Leiden

Perform routine and non-routine analytical analyses.Work on improvement projects in the lab.Carrying out calibrations.Responsible for inventory and ordering supplies for the laboratory.Administration.Identify issues during instrumental analysis.Close contacts with Team Lead, Labco and customers.Sending samples to external laboratories.Support the covid laboratory team.This laboratory works according to Kanban, 6S Lean Management technique and GMP.

May 2019 - Mar 2021

Associate Scientist

Maarssen

Development and validation of Chlorine and Alkali electrolysis generators for use in cleaning and disinfection processes. Process upscaling and optimization of chemical electrolysis processes. Carrying out calibrations.Ordering of chemicals and other supplies for the laboratory.Close contacts with R&D manager and Packaging Engineers.Performing of stability tests.Help with preparations for laboratory tours and training of new staff.This laboratory works according to rules imposed by the company.This temporary job has been provided by employment agency Adecco.

Nov 2018 - Apr 2019

Analytical Technologist

Synvina

Amsterdam Area, Netherlands

Perform routine and non-routine analytical project activities. Close contacts with Analytical Team and Process Development Team.This laboratory works according to rules imposed by the company.This temporary job has been provided by employment agency Labresource.

May 2018 - Oct 2018

Jr. Chemical Analyst/Qc Manager (Trainee)

Amsterdam Area, Netherlands

Perform routine and non-routine analytical analyses.Maintaining the assigned analyzers and associated regulations.Carrying out calibrations.Managing of chemicals in storage.Contributing to projects and train new staff.This laboratory works according to technical guidelines, the guidelines of the ISO 17025 standard and the ISO 9001 standard, the SCC guidelines and other rules imposed by the company.This job was found on the website of Indeed.

Apr 2017 - Feb 2018

Qc Analyst

De Meern

Perform routine analytical analyses.Maintaining the assigned analyzers and associated regulations.Carrying out calibrations.Train new staff.This laboratory works under ISO 9001.This temporary job has been provided by employment agency Randstad.

Oct 2016 - Mar 2017

Tutor

Self-Employed

Math supplementary lesson tutoring to students enrolled in secondary education.Chemistry supplementary lesson tutoring to students enrolled in Higher education.

Aug 2014 - Aug 2016

Laboratory Technician

Amsterdam Area, Netherlands

Determination of hormone concentrations in environmental matrices with SPE and LC-MS/MS.This laboratory works under NEN-EN-ISO/IEC 17025:2005.

Aug 2015 - Apr 2016

Recruiter

Self-Employed

I helped a former colleague find applicants for holiday job at the laboratory.

May 2014 - Jun 2014

Laboratory Technician

Amsterdam Area, Netherlands

Holiday JobLearned new analyses: Pour/Cloud Point and atmospheric distillation.This laboratory works under ISO according to ASTM methods.This temporary job has been provided by employment agency SWA.

Jul 2013 - Aug 2013

Laboratory Technician

Amsterdam Area, Netherlands

Holiday JobLearned a new analysis. XRF for liquid samples.For this analysis petroleum samples are put into cups and put in the XRF. This analysis determines concentration levels of metals. This laboratory works under ISO according to ASTM methods.This temporary job has been provided by employment agency SWA.

Jul 2012 - Aug 2012

Laboratory Technician

Mijdrecht

Learned new analyses. Bacterial growth and NIR.This laboratory works under ISO 9002.This temporary job has been provided by employment agency Randstad.

Sep 2011 - Nov 2011

Laboratory Technician

Amsterdam

Holiday JobLearned a new analysis. Measuring of petroleum samples with a Colori meter.This laboratory works under ISO according to ASTM methods.This temporary job has been provided by employment agency SWA.

Jul 2011 - Aug 2011

Laboratory Technician

Amsterdam

Perform routine and non-routine analytical analyses.Sending samples to internal laboratories and an external laboratory (Saybolt).This laboratory works under ISO according to ASTM methods.

Aug 2010 - Jun 2011

Laboratory Technician

Amsterdam

Holiday jobAnalysing of non-food products. This is done with AAS, GC and XRF. This laboratory works under ISO 9001.This temporary job has been provided by community college ROC van Amsterdam.

Jul 2010 - Aug 2010

Laboratory Technician

Amsterdam

Expedition (preparing and analysis of fertilizer samples). Samples are archived with LIMS. Then the samples are put in a machine that performs titrations and GC analyses.Perform routine analytical analyses.This laboratory works under ISO 9001.

Feb 2010 - Jun 2010

Laboratory Technician

Mijdrecht

Perform routine analytical analyses and and non-routine analytical analyses.This laboratory works under ISO 9002.

May 2009 - Jun 2009
Team & coworkers

Colleagues at Koopman International B.V.

Other employees you can reach at koopmanint.com. View company contacts for 386 employees →

4 education records

Hoi Yun Choy Bsc education

Level A1, Spanish, 8

Activities and Societies: In this course I have learned basic Spanish. I have learned about Spanish culture and history and Latin American.

Vocational Education And Training Level 4, Chemical/Physical Analyst

Analytical Science

Pre-University Secondary Education, Science And Health

Scholengemeenschap Reigersbos
FAQ

Frequently asked questions about Hoi Yun Choy Bsc

Quick answers generated from the profile data available on this page.

What company does Hoi Yun Choy Bsc work for?

Hoi Yun Choy Bsc works for Koopman International B.V..

What is Hoi Yun Choy Bsc's role at Koopman International B.V.?

Hoi Yun Choy Bsc is listed as Administrative Employee Product Research at Koopman International B.V..

What is Hoi Yun Choy Bsc's email address?

AeroLeads has found 1 work email signal at @upcmail.nl for Hoi Yun Choy Bsc at Koopman International B.V..

Where is Hoi Yun Choy Bsc based?

Hoi Yun Choy Bsc is based in Amsterdam, North Holland, Netherlands while working with Koopman International B.V..

What companies has Hoi Yun Choy Bsc worked for?

Hoi Yun Choy Bsc has worked for Koopman International B.V., Eurofins Pss Insourcing Solutions, Diversey Nederland, Synvina, and Saybolt.

Who are Hoi Yun Choy Bsc's colleagues at Koopman International B.V.?

Hoi Yun Choy Bsc's colleagues at Koopman International B.V. include Karolina Kłapińska, Lasse Yde, Tomasz Golema, J. Balk, and Meindert Kramer.

How can I contact Hoi Yun Choy Bsc?

You can use AeroLeads to view verified contact signals for Hoi Yun Choy Bsc at Koopman International B.V., including work email, phone, and LinkedIn data when available.

What schools did Hoi Yun Choy Bsc attend?

Hoi Yun Choy Bsc holds Bachelor Of Science (Bsc), Chemistry, 7 from Hogeschool Utrecht.

What skills is Hoi Yun Choy Bsc known for?

Hoi Yun Choy Bsc is listed with skills including Laboratory, Titration, Analysis, Chemistry, Analytical Chemistry, Lims, Quality Control, and Delivering Results.

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