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What does 820 stamped on an ear ring stud mean?

Anonymous

∙ 14y ago

Updated: 10/2/2025

The "820" stamp on an earring stud typically indicates that the metal is 82% pure silver, which translates to 820 parts per thousand. This marking signifies that the piece is likely made of sterling silver, which is commonly used in jewelry. However, it’s essential to verify the context, as different regions may have varying standards for metal purity and markings.

AnswerBot

∙ 2w ago

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What is gmp and sop?

GMP: Good Manufacturing Practices. A U. S. FDA term for a documented quality system similar to ISO 9001, for FDA-regulated industries. Medical device GMPs are defined in 21 CFR 820, pharmaceuticals are in 21 CFR 210, 211, and dietary supplements are under 21 CFR 111. Companies producing medical products for sale in the U.S. must comply with the appropriate regulation. CGMP: Current GMP. The above GMPs are the minimum requirements. The FDA expects companies to continuously improve to best practices in their industry, which is represented by the "C". The GMP family of acronyms is expanding: GXP is all inclusive; GCP: Good Clinical Practices; GLP: Good Lab Practices. (see also GxP and Best Practices). SOP: Standard Operating Procedure. Written instructions as to how to perform or fulfill a specific requirement. Under ISO 9000 family of quality management systems, the SOPs generally fall between the top / high level Quality Manual, and the very detailed Work Instruction. Under a quality management system, all these documents are "controlled documents, meaning they must be formally approved, under a "change control" system, with only the current version used, and older originals archived, older copies (which were also controlled as to distribution) destroyed.

What is equivalent to 20 41s?

820

What is the square root of -820 to the nearest hundredth?

If you mean .820 then it is 0.91 rounded to the nearest hundredth

What kind of oil filter does a 2001 Ford Explorer sport need?

The Owner Guide shows ( Motorcraft FL-820-S ) motorcraft.com shows ( Motorcraft FL-820-S for 22 mm threaded engine stud ) and ( Motorcraft FL-1A for 3/4 inch threaded engine stud ) For the 4.0 L - SOHC engine in a 2001 Ford Explorer Sport

What is 822 rounded to the nearest 10?

820

What is 2 percent of 820?

2% of 820 = 2% * 820 = 0.02 * 820 = 16.4

What is 25 percent of 820?

25% of 820= 25% * 820= 0.25 * 820= 205

What is 32 percent of 820?

32% of 820 = 32% * 820 = 0.32 * 820 = 262.4

822 to nest ten?

820

What are the first ten multiples of 820?

The first ten positive integer multiples of 820 are: 1 x 820 = 820 2 x 820 = 1640 3 x 820 = 2460 4 x 820 = 3280 5 x 820 = 4100 6 x 820 = 4920 7 x 820 = 5740 8 x 820 = 6560 9 x 820 = 7380 10 x 820 = 8200

how much is 82 tens?

82 tens =82 × 10 = 820

What is 818 rounded to the nearest 10?

820

What is the percent of 150 percent of 820?

150% of 820 = 150% * 820 = 1.5 * 820 = 1230 or 12,300%

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