For gold from China from my experie

For gold from China from my experience, it is found that almost all gold shades are reddish that look like copper than to gold.
ซึ่งเกือบทั้งหมดหากนำมาทดสอบเทียบกับ Merck แล้วจะไม่ผ่าน ยกเว้น 305, 351

ผลลัพธ์ (อังกฤษ) 1:

For gold from China from my experience, it is found that almost all gold shades are reddish copper to look like gold than that.
, which almost all if use against Merck and will fail, with the exception of 305, 351.

ผลลัพธ์ (อังกฤษ) 2:

For gold from China from my experience, it is found that almost all gold shades are reddish that look like copper than to gold.
, almost all, if put to the test against Merck will not pass except 305, 351.

ผลลัพธ์ (อังกฤษ) 3:

For gold from China from my experience it is, found that almost all gold shades are reddish that look like copper than To gold.
which almost all if tested against Merck then failed, except 305 351