Pour the 4 ml water into the white beaker. Take the water (H2O) on the sink and pour some into the 4 ml graduated cylinder. Pour the remaining 1 ml of Nitric acid in the graduated cylinder into the white beaker. Pour the 4 ml Nitric acid in graduated cylinder on to the 3 ml cylinder. Take Nitric acid (HNO3) and pour some on the 4 ml graduated cylinder. Take the poured acid and empty it on the white beaker. Take Hydrofluoric acid (HF) and pour some on the 3 ml graduated cylinder. Press for Master: pink, blue, green, green, blue, pink, green, blue, pink.ģ parts of Hydrofluoric acid (HF) + 1 part Nitric Acid (HNO3) + 4 parts Water (H2O) for silicon base wafers. Press for Amateur: blue, brown, brown, blue, brown, blue, blue.
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