Dear sir,
We would like to buy red mercury Hg2sb207 99.999% density 20 : 20.
Pls provide fob price.
We need video of testing the red mercury. There are two main contents of the tests in the video :
One is color fade test. Another is density test.
The main tools : white gauze, lemon, electronic scales, 1 ml medical injector, testing day newspapers, white plate.
Step 1) Put the testing day newspaper under the white plate.The newspaper date need to be close -up
Step 2) Measure 1ML the empty weight of injector .
Step 3) Extract 1ML sample , and measure the weight.
Step 4) The sample is placed on a white gauze and pressed into the white or colorless plate
Step 5) Dropping the lemon acid and soaking about 40MINS
Step 6) Scrub and squeeze the lemon acid into the plate again.
Below colse-up, can not be less than 5s
1) Newspaper Name and Date
2. Electronic scales reading
3.The white gauze after scrubbing whether stained color
Regards
max
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