Coloured versions with DxO Filmpack 5
                                                Thank you for your interest.

                                                     The pictures are available here.
Tartaric acid
Gepubliceerd:

Tartaric acid

Tartaric acid is a white crystalline organic acid that occurs naturally in many plants, and is admitted in the EU as a food additive E 334. I tak Meer lezen

Gepubliceerd:

Hulpmiddelen

Creatieve disciplines