Tại sao dây chuyền bạc của tôi luôn chuyển sang màu đồng, và làm cách nào để ngăn chặn điều này?
After sometimes, every silver jewellery turns into black or bronze color because of a chemical reaction between silver and air or other carious substances. You can use any of the following method to prevent the jewellery:
- Wash you jewellery with warm water and then, dry them with a soft cloth.
- Polish you jewellery regularly to protect it from turnishing.
- Protect your jewellery with the substances like water, vân vân. & kể từ đây, remove the jewellery while washing up or taking a bath.
- Remove jewellery while cooking
- Đánh bóng & seal them in a plastic ziplock bag when you store them
Nhưng, if your jewellery already turns into bronze color then follow use the given trick
- Put tarnished jewelry in a bowl of warm water, salt and baking soda