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 |