"completely disintegrated" is a correct and usable phrase in written English.
You can use it when referring to something that has been broken down into its component pieces so that it cannot be put back together again. For example, "The old house had completely disintegrated due to years of neglect."
While the AC1RS-5 cm substrate hydrolysed slowly and solids remained intact with minor physical disintegration, the AC2RS-5 cm substrate completely disintegrated after the same period of hydrolysis and only left fine particles in the hydrolysate.
In a month, the gel has completely disintegrated.
Each faeces was stirred in a pan of warm water until completely disintegrated.
You just stepped in a bubbling puddle of hot filth that completely disintegrated your flip-flops.
You'll know you've added enough oil when the towel you're using has completely disintegrated into a pile of ash.
BY now, your utilitarian construction boots have been salt-stained, water-damaged and stripped of their original macho luster, if not completely disintegrated.
His serve his completely disintegrating.
If the credibility of his tale were to rest upon the state of his shoes, then no one could have any doubts at all: perhaps originally brown in colour, they were light summer loafers of artificial leather, with a little ornament stitched in at the toe, and now completely disintegrating around his feet.
In extremely shallow water, the initial periodic cosine waves completely disintegrate into periodic trains of solitons with larger amplitudes than the incident linear wave.
Dissolution testing on the riboflavin enteric coated tablets showed a good enteric release profile without releasing riboflavin in 0.1 N HCl, and completely disintegrating within 10 min in phosphate buffer (pH 6.8).
Since I did not have supplemental disability insurance or any emergency savings, it did not take long for our already unstable financial foundation to completely disintegrate.
