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What does R in circle mean on sterling silver jewelry?
The "R in a circle" mark on sterling silver jewelry signifies that it was made by the company Reed and Barton. This mark indicates the manufacturer or silversmith responsible for producing the piece.
Which class of organic compounds can be represented as R--OH?
Alcohols ; usually shown as R - CH2OH As 'R--Oh' it could be an hydroxy functional group, on a much larger molecule./ Functional Group ALKANES ; C-C ALKENES ; C=C ALKYNES ; C///C ( Triple Bond) ALCOHOLS ; R-=CH2OH ALDEHYDES ; R-CHO CARBOXYLIC ACIDS ; R-COOH AMINES ; R-CH2NH2 NITRILES ; R-CN These are just some of the simpler functional groups, and there chemical formula shorthand representation.
What does 14k B mean on a gold chain?
"14k B" on a gold chain indicates that the chain is made of 14 karat gold and the "B" likely refers to the manufacturer or designer of the chain. The "14k" represents the gold purity, with 14 karat gold being 58.3% pure gold.
Which shows the general structure of an ester?
B.
What is the chemical formula for acetal?
OR / R-c - H / OR this is the general formula for an acetal in R-group notation
WHAT DOES R 925 china mean on a ring?
it means that the ring/bracelet is gold plated sterling silver.
What does 10K R mean on my jewelry?
The marking "10K R" on your jewelry indicates that the piece is made of 10 karat gold, which contains 41.7% gold and is often alloyed with other metals for strength. The "R" could refer to the manufacturer or brand, as some jewelers use letters to signify their company or a specific design. This marking helps identify both the quality of the gold and the maker of the piece. Always consider consulting a jeweler for a more detailed assessment of your item.
How do you spell carrot gold?
k a r a t -or- c a r a t
What is 3rk jewelry stamp?
what does 3 R(backwards R) K stamped on jewellery mean
What does 3R stamped on jewelry mean?
The "3R" stamp on jewelry typically indicates that the piece is made of "triple-R gold," which means it has a higher gold content than standard gold-plated items. This stamp suggests that the jewelry has three layers of gold, providing better durability and a more luxurious appearance. It's often associated with higher quality and can be a sign of a more valuable piece. However, it's essential to confirm the specific meaning with the manufacturer, as markings can vary.
What does R 925 mean on a ring?
Its a makers mark..Ross Simons has alot of R stamped jewelry
What does 1 20 14kt gf r mean?
The term "1 20 14kt gf r" typically refers to a piece of jewelry that is made of 14-karat gold-filled material. The "1 20" indicates that the piece contains 1/20th of its weight in gold, meaning it has a substantial amount of gold compared to other gold-plated items. The "gf" stands for gold-filled, which means the gold is mechanically bonded to a base metal, making it more durable than gold plating. The "r" might denote a specific design or style, but its meaning can vary based on the context.
What does R in circle mean on sterling silver jewelry?
The "R in a circle" mark on sterling silver jewelry signifies that it was made by the company Reed and Barton. This mark indicates the manufacturer or silversmith responsible for producing the piece.
What does c r t mean?
choose the right
What does 915 stamped on jewelry mean?
A stamp of 915 on jewelry usually refers to the jewelry containing 91.5 percent silver mixed with 8.5 percent of another alloy. This alloy is usually copper. This stamp can also appear on both silver and gold-plated silver jewelry.
Why do you use gold alloys for jewelry?
Gold alloys are used for jewelry because pure gold is too soft and malleable to hold shape well. By mixing gold with other metals like copper, silver, or zinc, jewelry can be made more durable and resistant to scratching and bending. Additionally, gold alloys allow for a wider range of colors and variations in jewelry design.
What does 7 c in the r mean?
7 colors in the rainbow
