"a total separation" is correct and usable in written English.
You can use it when you are describing a situation or event in which two entities completely separate from one another. For example, "The couple decided to end their marriage and get a total separation."
Conjoined twins represent the failure of a total separation in identical twins.
The optimal geometry showed a total separation efficiency of more than 89% and a flow ratio of less than 35%.
Kabul's security area had long been a Green Zone-lite compared with its fortresslike predecessor in Baghdad, where there are massive blast walls and a total separation from the general population, enforced by biometric entry passes.
In addition, a total separation efficiency of 46% was employed at 600 ml s−1 of inflow rate and with an underflow rate of 25% its inflow rate.
As a result, two previously unobserved monoferric forms of protein have been separated and identified, moreover, the loss of ferric ions from transferrin during electrophoretic separation has been considerably reduced by methanol, and the method selectivity has been yet increased resulting in a total separation of proteins exerting only subtle or none difference in mass-to-charge ratio.
An accelerated the mechanical and chemical degradation phenomenon that results in reduction of adhesion strength, culminating in severe cases with a total separation of bonded joint [16].
The Response Surface Method (RSM) model predicted an optimum operating inflow rate and underflow ratio of 721 ml s−1 of inflow rate and 30%, respectively, for the low-pressure hydrocyclone at a maximum total separation efficiency.
Mason makes the urgency of a thought, and the energy of its pursuit, palpable, as Wallace, in total isolation, deep in the Malay Archipelago, in a state of total separation from the developed world, develops inside him an appreciation of the world new to human thinking.
"The purpose is to reach, in a gradual manner, within a year or two, total separation between the two populations.
[C3.] Hyundai Unit Approves Equity Swap Hyundai Engineering and Construction, the parent of the Hyundai conglomerate, moved a step closer to total separation from the group by approving a plan to swap equity for $1.08 billion of its debts.
More important, the 52% who voted for Brexit were sharply divided in their aims, with some prepared to accept economic sacrifice for a "hard Brexit" - total separation from Europe - and others hoping for a "soft Brexit" that would minimise the impact on the UK economy.
