The reason I set the mass of sodium bicarbonate as 1 gram is to make it easier to scale down or scale up the mass of the mixture. I am unsure...
This is good advice. No need for mole to mass calculations. If you are intent on making it yourself... An alternative to sodium sesquicarbonate...
I was on the PCGS Coin Facts website to find the total mass of a Double Eagle. The mass is reported 33.40 grams. Knowing the mass of gold in a...
In your original post, the last two photos of the Lincoln Memorial are identical. Did you intend on using one of these photos as a reference?
@Conder101 I am glad you addressed that - you answered my next question. While searching for a 1909 VDB Lincoln Cent, I am finding several of...
Thanks for the clarification. I can see myself buying an "Uncirculated" coin, but I would not buy a "Genuine" coin in fear of getting a details...
I assume that a grade of uncirculated and genuine are assigned when a large quantity of coins are submitted. So, if someone were to submit a...
I am on the search for a nice quality 1909 VDB Lincoln Cent and I came across a few graded by NGC that were titled "Bandera Bank Hoard." Some...
I have never heard of a 1976-D that was 40% silver. It looks like a 1976-D Type 2 Eisenhower dollar. It is composed of copper & nickel only....
Well, I do not get into the definitions of the words "scam" and "overpriced." I can only say that from my point of view, selling someone a $50...
A few years back, I did some tutoring on the side at a local community college. One of the tutors was a retired engineer who tutored voluntarily...
Thanks Chris for your reply. Since Dansco doesn't produce albums for the 5 oz ATBs, I thought it was a matter of the coin diameter (76.20 mm or 3...
I have been searching high and low to find an album to display the 5 oz silver ATB coins. I the only album that I could find is produced by Book...
From what I gathered from this forum is that everyone has their own reason for buying silver and gold bullion - some for collecting, some for...
This was the first thing that came mind. If there is this much concern and suspicion with fingerprints, then all employees of TPG companies...
My 1/10 oz Maple arrived in a sealed plastic sleeve. I purchased the Maple from the same reputable online vendor from whom I acquired silver many...
OK, I finally got my first 1/10th oz gold Maple Leaf in the mail. I know that one of the most important rules in investing is not to make...
Thanks all! I appreciate your replies. I am slowly moving up the learning curve. Until the late 1990s, I have a purchased raw coins from local...
That would explain it. Thanks. I just bought the silver Krugerrand from the same vendor in the link provided above. Ordered it Wednesday and...
I originally decided not to buy the silver Krugerrand, but, as a coin collector, I decided to go ahead and buy a certified silver Krugerrand. I...
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