"detectable traces" is a correct and usable phrase in written English.
You can use it when describing the presence of something where the amount or degree is small but still able to be detected. For example, "Even after the fire, there were still detectable traces of smoke in the air."
Any stars that came after the first generation, including the sun, have detectable traces of those heavier elements.
Thompsons said it was estimated that in the UK upwards of 88% of banknotes carry detectable traces of the drug.
The research team defined high-potency strains as those with an average THC content of 14%, and practically no detectable traces of CBD (cannabidiol).
The lab found 0.25 to 0.5 parts per billion of glyphosate's byproduct, aminomethylphosphonic acid, in the 365 sample, but no detectable traces of glyphosate or its byproduct in the other samples.
Raman microscopy of the resected tumors showed heterogeneous EPR of nanoparticles into oligodendrogliomas and meningiomas of different grades, without any detectable traces in necrotic parts of the tumors or normal brain.
No one knows for sure how many people are being needlessly interrogated, but anecdote suggests the numbers are high.Part of the problem is that little is known about which procedures leave detectable traces of radioactivity, and for how long that radioactivity persists in the body.
Later I watched a talk show where three upper-class pundits announced, again with no detectable trace of irony, that they were planning to march against "hunger and poverty".
When treated for 1.0 h, the product was composed of β-FeOOH (JCPDS No. 34 1266) and detectable trace amount of maghemite (γ-Fe2O3, JCPDS No. 25 1402) in a nearly amorphous state (Figure 4a1,b).
The barely detectable trace amounts of nitrosamines expelled from the lungs fall well below any federal indoor-air health standards.
He had responded well to chemotherapy and radiation, and we had surgically resected his esophagus, leaving no detectable trace of malignancy in his body.
Surface-air monitoring conducted beyond the site by facility managers and university researchers in the days after the accident showed detectable trace amounts of radiation apparently had drifted from the plant.
