The phrase "added properly" is correct and usable in written English.
It can be used when discussing whether something has been included or incorporated in the right manner or according to specific guidelines.
Example: "Make sure that all the ingredients are added properly to ensure the recipe turns out as intended."
Alternatives: "included correctly" or "incorporated appropriately".
But, he added, "Properly implemented, I do not envision that it would keep us from accomplishing our worldwide missions, including combat operations".
The court, he added, properly distinguished between the rights of a parent, who is entitled to a hearing within 24 hours of an emergency removal, and the rights of "someone who is potentially a parent".
Uploads don't always get added properly, the lack of colored text is annoying and I miss the selfie lenses and geofilters.
Then NaOH was added properly mixed.
Fifty-eight percent of Bay Area respondents to a poll released last year by the Bay Area Council, an economic policy nonprofit, supported adding properly treated recycled water to the drinking water supply.
The Department of Justice, she added, acted properly by filing its request for a stay.
The jurors, he added, "were properly instructed that in a case such as this reasonable doubt was relevant, and they rendered a verdict".
It added: "If properly implemented by the district court, the Fifth Circuit's order will help return the settlement to its original, intended and lawful function — the compensation of claimants who sustained actual losses that are traceable to the Deepwater Horizon accident".
0.1×MMR was added and properly dividing embryos were selected and screened for GFP fluorescence as described above for F0 tadpoles.
Your second line has been added and properly labeled.
The outlook is bleak when a fifth of our young people cannot read, write or add up properly... virtually unemployable in a 21st-century developed society".
