Useful Verbs

When drafting your reports, it might be useful to refer to this list to write in a more appropriate academic style. For example:

The valency state of a substance to be analysed must be changed before it can be titrated. (OK)

The valency state of a substance to be analysed must be altered before it can be titrated. (Better)

Errors can happen if the equipment is not clean.
(OK)

Errors can occur if the equipment is not clean.

(Better)

As you encounter more useful vocabulary, it’s a good idea to add them to this list in the same way.

Verb	Meaning	Example
absorb	http://dictionary.cambridge.org/dictionary/learner-english/absorb#translations	Amylose, which consists of helical polymer chains will absorb iodine to produce an intense blue coloured complex.
alter	http://dictionary.cambridge.org/dictionary/learner-english/alter	The valency state of a substance to be analysed must be altered before it can be titrated.
analyse	http://dictionary.cambridge.org/dictionary/learner-english/analyse	The copper solution you have analysed was obtained from a leaching experiment
ascertain	http://dictionary.cambridge.org/dictionary/learner-english/ascertain	The user should thus ascertain where the limits of to the equipment’s accuracy lie and be sure that they understand its reliability.
be aware	http://dictionary.cambridge.org/dictionary/learner-english/aware?q=be+aware+of%2Fthat	Before commencing work, make sure you are aware of the safety procedures.
calculate	http://dictionary.cambridge.org/dictionary/learner-english/calculate	Calculate the percentage of copper that was dissolved.
coincide	http://dictionary.cambridge.org/dictionary/learner-english/coincide	The level of the meniscus is allowed to fall until it coincides with the mark
commence	http://dictionary.cambridge.org/dictionary/learner-english/commence	Before commencing work, make sure you are aware of the safety procedures
concern	http://dictionary.cambridge.org/dictionary/learner-english/concern_1	In titrimetric analysis we are mainly concerned with using reagents as oxidizing or reducing titrants .
conduct	http://dictionary.cambridge.org/dictionary/learner-english/conduct_1	All tests were conducted according to instructions.
connect	http://dictionary.cambridge.org/dictionary/learner-english/connect	Uncovered electrical installations should not be left connected.
consider	http://dictionary.cambridge.org/dictionary/learner-english/consider	There are three sources of error that must be considered.
consist	http://dictionary.cambridge.org/dictionary/learner-english/consist-of-sth?q=consist	The burette consists of a long glass tube of uniform bore.
contact	http://dictionary.cambridge.org/dictionary/learner-english/contact_1	A 15 second delay is allowed before removing the pipette from contact with the flask.
contain	http://dictionary.cambridge.org/dictionary/learner-english/contain	The bulk of the volume is contained in the bulb.
correspond	http://dictionary.cambridge.org/dictionary/learner-english/correspond	It has a range of colours corresponding to all 14 pH units.
create	http://dictionary.cambridge.org/dictionary/learner-english/create	This may create a hazard.
damage	http://dictionary.cambridge.org/dictionary/learner-english/damage_1	Some items are highly sensitive and can be easily damaged.
deduce	http://dictionary.cambridge.org/dictionary/learner-english/deduce	Thus the amount of OH- present can be deduced from these two titres
depend	http://dictionary.cambridge.org/dictionary/learner-english/depend	Its accuracy depends on the method of manufacture.
detect	http://dictionary.cambridge.org/dictionary/learner-english/detect	The change of colour usually occurs over one pH unit or more and they are used to detect titration end-points.
develop	http://dictionary.cambridge.org/dictionary/learner-english/develop	A large number of indicators have been developed for redox titration.
dissolve	http://dictionary.cambridge.org/dictionary/learner-english/dissolve	Calculate the percentage of copper that was dissolved.
eliminate	http://dictionary.cambridge.org/dictionary/learner-english/eliminate	Such method errors can only be eliminated by either improvement of the theory or by checking the determination by an alternative method.
employ	http://dictionary.cambridge.org/dictionary/learner-english/employ Meaning 2: use	It is usual to employ an indicator.
encounter	http://dictionary.cambridge.org/dictionary/learner-english/encounter_1	Large errors can be encountered in an overall operation which involves 'sampling'.
ensure	http://dictionary.cambridge.org/dictionary/learner-english/ensure	Ensure that no air bubbles are trapped in the measured volume.
estimate	http://dictionary.cambridge.org/dictionary/learner-english/estimate_1	Theory Titration is one method that can be used to estimate the concentration of an ion in a solution.
exist	http://dictionary.cambridge.org/dictionary/learner-english/exist	Usually organic dyes, which themselves can exist in acidic and basic forms due to dissociation, are used.
generate	http://dictionary.cambridge.org/dictionary/learner-english/generate	They have oxidation potential values corresponding to the potential generated by the titrant at the end-point
identify	http://dictionary.cambridge.org/dictionary/learner-english/identify Meaning 3: Discover	The aim is to identify potential hazards.
immerse	http://dictionary.cambridge.org/dictionary/learner-english/immerse	The bulb pipette is filled by immersing the capillary tip in the solution.
include	http://dictionary.cambridge.org/dictionary/learner-english/include	This includes work with substances that have known health effects
indicate	http://dictionary.cambridge.org/dictionary/learner-english/indicate	Starch is used in several forms to indicate its presence.
involve	http://dictionary.cambridge.org/dictionary/learner-english/involve	Reactions involving such agents are known as oxidation-reduction reactions, often abbreviated to REDOX.
justify	http://dictionary.cambridge.org/dictionary/learner-english/justify	In many cases, the accuracy obtained in titration can be justified.
lead to	http://dictionary.cambridge.org/dictionary/british/lead-to-sth?q=lead+to	Failure to comply with them may lead to hazards.
liberate	http://dictionary.cambridge.org/dictionary/british/liberate	The amount of iodine liberated is measured by reacting it with a reducing agent.
limit	http://dictionary.cambridge.org/dictionary/british/limit	The final result may be of limited accuracy
locate	http://dictionary.cambridge.org/dictionary/british/locate Meaning 2: find	Upon entering the laboratories, ensure to locate escape routes.
minimise	http://dictionary.cambridge.org/dictionary/british/minimize?q=minimise	Identify sources of error and how to minimise them.
neutralize	http://dictionary.cambridge.org/dictionary/british/neutralize?q=neutralise	NaOH is required to neutralize the excess acid.
observe	http://dictionary.cambridge.org/dictionary/british/observe	Allow good lighting conditions in order to observe the end-point colour change
obtain	http://dictionary.cambridge.org/dictionary/british/obtain	The copper solution you have analysed was obtained from a leaching experiment.
occupy	http://dictionary.cambridge.org/dictionary/british/occupy	Do not occupy bench space unnecessarily.
occur	http://dictionary.cambridge.org/dictionary/british/occur	Ensure that no losses occur due to the effervescence produced.
operate	http://dictionary.cambridge.org/dictionary/british/operate	Equipment should not be operated without permission and proper instruction from technical staff.
outline	http://dictionary.cambridge.org/dictionary/british/outline Verb, Meaning 2: give the main facts	This section outlines the aims of the report.
perform	http://dictionary.cambridge.org/dictionary/british/perform	As an engineer, you will perform various projects and be expected to write a report.
prepare	http://dictionary.cambridge.org/dictionary/british/prepare	It is essential prepare good results tables.
present	http://dictionary.cambridge.org/dictionary/british/present Verb, Meaning 1: give,show	It is sometimes helpful to present the results in graphical form.
provide	http://dictionary.cambridge.org/dictionary/british/provide	This Code of Conduct provides information relating to this.
realize	http://dictionary.cambridge.org/dictionary/british/realize?q=realise	It should be realized that the chief error involved may be associated with preparation work.
recommend	http://dictionary.cambridge.org/dictionary/british/recommend	It is best to use indicators recommended for a particular titration.
record	http://dictionary.cambridge.org/dictionary/british/record Meaning 2: keep information	These random errors are usually in the last significant figure that has been recorded.
reduce	http://dictionary.cambridge.org/dictionary/british/reduce	This will reduce the effect of errors in weighing.
rely	http://dictionary.cambridge.org/dictionary/british/rely-on-upon-sb-sth?q=rely	Generally we rely on a theoretical concept.
remain	http://dictionary.cambridge.org/dictionary/british/remain	A faint straw colour remains.
remove	http://dictionary.cambridge.org/dictionary/british/remove	It is possible to remove the waters sequentially.
require	http://dictionary.cambridge.org/dictionary/british/require	2 moles of HCl are required to dissolve 1 mole of CaCO3.
respond	http://dictionary.cambridge.org/dictionary/british/respond	A mold culture responds poorly as an indicator.
specify	http://dictionary.cambridge.org/dictionary/british/specify	An accurately known amount of the specified substance should be employed.
submit	http://dictionary.cambridge.org/dictionary/british/submit	Samples need to be submitted to technicians.
suggest	http://dictionary.cambridge.org/dictionary/british/suggest	It is suggested that the conical flask is placed over a white tile or piece of white paper to allow good lighting conditions.
summarise	http://dictionary.cambridge.org/dictionary/british/summarize?q=summarise	The main intermediate results can then be summarised in this section.
transfer	http://dictionary.cambridge.org/dictionary/british/transfer	Solutions to be titrated are transferred by means of a bulb pipette.
vary	http://dictionary.cambridge.org/dictionary/british/vary	It contains varying amounts of sodium carbonate (Na2CO3) and other impurities
yield	http://dictionary.cambridge.org/dictionary/british/yield	The same experimental procedures may still yield slightly different values