Betekenis van:
copper oxide
copper oxide
Zelfstandig naamwoord
Hyperoniemen
Voorbeeldzinnen
- NO ENTRY Copper oxide
- Copper oxide mill-scale
- Copper in the form of copper hydroxide, copper oxychloride, (tribasic) copper sulphate, cuprous oxide, copper octanoate
- Catalyst: copper (II) oxide CuO or copper (II) sulphate pentahydrate, CuSO4 5H2O.
- Copper (I or II) oxide containing by weight 78 % or more of copper and not more than 0,03 % of chloride
- All food producing species No MRL required NOT APPLICABLE NO ENTRY NO ENTRY Copper oxide
- 55 % or more but not more than 60 % of copper oxide
- Catalysts in the form of tablets, consisting of 60 % (± 2 %) by weight of copper oxide on a support of aluminium oxide
- 1 % or more but not more than 5 % of manganese oxide and 1 % or more but not more than 3 % of copper oxide
- All food producing species No MRL required NOT APPLICABLE NO ENTRY NO ENTRY Copper oxide NOT APPLICABLE
- Catalyst, in the form of rodlets of a length of 5,5 mm or more but not exceeding 6,5 mm, consisting of copper oxide and zinc oxide fixed on a support of aluminium oxide, containing by weight:
- Catalyst, in the form of rodlets of a length of 5,5 mm or more but not exceeding 6,5 mm, consisting of copper oxide and zinc oxide fixed on a support of aluminium oxide, containing by weight:
- Sheet or plate of polytetrafluoroethylene, with aluminium oxide or titanium dioxide as a filler or reinforced with glass-fibre fabric, laminated on both sides with copper foil
- Sheet or plate of polytetrafluoroethylene, containing aluminium oxide or titanium dioxide as filler or reinforced with glass-fibre fabric, covered on both sides with copper foil
- Weigh 1 g of the sample to the nearest 0,001 g and transfer the sample to the flask of the digestion apparatus. Add 15 g of potassium sulphate (3.1), an appropriate quantity of catalyst (3.2) (0,3 to 0,4 g of copper (II) oxide or 0,9 to 1,2 g of copper (II) sulphate pentahydrate), 25 ml of sulphuric acid (3.4) and if required, a few granules of pumice stone (3.12) and mix.