De or het fosfaatlozing?

The correct Dutch article is:

de fosfaatlozing

Rule Words ending in -ing: almost always de. See the rule

How to use fosfaatlozing

the fosfaatlozingde fosfaatlozing
this fosfaatlozingdeze fosfaatlozing
that fosfaatlozingdie fosfaatlozing
our fosfaatlozingonze fosfaatlozing
your fosfaatlozingjouw fosfaatlozing
every fosfaatlozingelke fosfaatlozing
which fosfaatlozing?welke fosfaatlozing?
a big fosfaatlozing / the big fosfaatlozingeen grote fosfaatlozing, de grote fosfaatlozing