Harga, Asam, Nitrat, Eceran, per, liter, korosif, beracun, industri, variasi, berasap, putih, merah, kalsium, hidrogen, murni, cairan, nitrogen, oksidator, manfaat, bahan, baku, polimer, polyamides, polyurethanes, listrik, ex, korea, merck, 1, kg, 2020, 2021, 2022