Color rendering reaction 1 Take the test solution 0.2ml under the content determination, add water 2ml, and then add the Hydroquinone hydrochloric acid solution (hydroquinone 0.2g, add water 10ml dissolved, add hydrochloric acid 90ml, add 0.1mol/L Copper sulfate solution 0.25ml, refrigerator Preservation) 2ml, water bath heating for 15 minutes, solution blue and purple, with N-e alcohol 5ml Vibration extraction, n-e alcohol layer is blue.
Color rendering reaction 1 ເອົາວິທີການທົດສອບ 0.2ml ພາຍໃຕ້ການກໍານົດເນື້ອໃນ, ເພີ່ມນ້ໍາ 2ml, ແລະຫຼັງຈາກນັ້ນໃຫ້ຕື່ມ Hydroquinone hydrochloric acid solution (hydroquinone 0.2g, ເພີ່ມນ້ໍາ 10ml dissolved, ເພີ່ມ XHCX chloride 90ml, ເພີ່ມ 0.1mol / L ໂຊດຽມໂຊດູນໂຊລູຊັນ 0.25ml, ຕູ້ເຢັນ) 2ml, ການເຮັດຄວາມສະອາດອາບນ້ໍາສໍາລັບ 15 ນາທີ, ການແກ້ໄຂສີຟ້າແລະສີມ່ວງ, ດ້ວຍ Ne Alcohol 5ml ການສັ່ນສະເທືອນ, ຊັ້ນເຫຼັກ ne ແມ່ນສີຟ້າ.