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Li Bai even wrote in the poem "Entering Pengli Jingjing through Songmen and Watching the Stone Mirror in Memory of Xie Kangle", "The clear water may be harvestable, but the essence of gold cannot be discussed."

The fifth and sixth interpretations of the golden essence: the moon and the sun.

Zhou Wenwen knew that he had nothing to say when he saw this, so he passed decisively and went to the next one.

However, the source still has to be said.

Volume 1 of "Beginners" cites "He Tu Di Lan Xi": "The moon is the essence of gold."

In the Tang Dynasty, Chen Tao's poem "Travelling on the Tujiang River": "The geese from the broken sand come out of the golden essence, and the apes of the lonely mountain are worried about the wood and the tourists return."

Ming Dynasty soup style "Xiaoliangzhou·Tiwuyuetang" set: "The eyes are empty, and the golden light shoots the jade pot ice."

The seventh interpretation of golden essence: another name for chamomile.

When he saw the seventh explanation, Zhou Wenwen couldn't help being stunned. After spending a second recovering, he thought about it and wrote it down first.

The source is still written by Yu Xin in "Ode to a Small Garden": "Clouds are shaded by congshuo, and gold essence is nourished by autumn chrysanthemums."

Ni Fan cites the "Jade Letter Prescription": "Camomile, harvested every day in September, is called Jin Jing."

Li Qiao, Duke Zhao of the Tang Dynasty, who served as prime minister three times, also wrote in the poem "Chrysanthemum": "The jade law is three autumn evenings, and the golden essence is open on the nineth."

The eighth interpretation of gold essence: refers to water essence, crystals, and the chemicals rose acid and rose acid.

Water essence, crystal source:

In "Guang Ya Shi Di" "Water Essence" Wang Nian Sun Shuzheng quoted Liu Zhen's "Qingju Fu" of the Han Dynasty: "On the basis of the number of Wen Yao, the plate of gold essence."

"New Book of Tang: The Legend of the Western Regions: Kulan": "The gold essence is obtained, and the stone is obtained."

Xuanzang of the Tang Dynasty, the prototype of the Tang Dynasty monk, wrote in "The Great Tang Western Regions: Qu Lang Na Guo": "There are mountains and rocks, and there are many gold essences in them, analyze the stones, and then get them."

Chemicals rosin acid:

Jinjing, also known as (p)-rose red acid, is a red rhombic bipyramid crystal with metallic luster, melting point 308～310℃ (decomposition).

Soluble in ethanol, insoluble in ether, chloroform, insoluble in water and benzene.

Most of the industrial products are yellow-brown flakes with dark green metallic cross-section.

It is prepared by heating the mixture of phenol, oxalic acid and sulfuric acid.

It can be used as an acid-base indicator, and the discoloration range of its ethanol solution is yellow at pH 6.0 to red at pH 7.6.

In addition, it has also been used as oil-soluble dyes and intermediates.

Chemical substance rosic acid:

Rosic acid is a chemical substance with a molecular formula of C19H14O3.

Chinese name, rose red acid, AR.

Chinese alias, resinous acid, rose red acid, rose acid, golden red, rose acid.

English name.Rosolicacid.

Grade: AR.

CAS number: 603-45-2.

Molecular formula: C19H14O3.

Molecular weight: 290.32.

Description of rose acid properties:

Dark red crystals with metallic luster and yellowish-brown flakes with dark green metallic appearance.

Easily soluble in alcohol, it is golden yellow solution, soluble in sodium hydroxide or potassium hydroxide solution, it is carmine red, soluble in concentrated sulfuric acid, 70% sulfuric acid, hydrochloric acid or perchloric acid, it is yellow to orange, slightly soluble in glacial acetic acid, slightly soluble In ether and chloroform, almost insoluble (0.12%) and benzene.

Heated to 180°C in vacuum (volatile). Maximum absorption wavelength (potassium hydroxide solution) 534.6, 479.5nm. irritating.

Physical parameters: Melting point: 308-310℃

Storage and transportation: sealed and preserved.

Instructions for use:

Acid-base indicator, pH6.8 (yellow) ~ 8.0 (red). Qualitative reagent for carbon dioxide in drinking water, and can also be used to distinguish human milk from cow's milk. Dye Intermediates.

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After synthesizing the 8 explanations of Jin Xing, Zhou Wenwen chose the power of the stars after some passes and choices, that is, Jin Jing's third explanation and Jin Jing's fifth and sixth explanations.

The power of the stars around Venus, the sun, and the moon.

First of all, let’s talk about the reasons for passing. Let’s first look at the first interpretation of Jin Jing, the spirit of the West.

We have mentioned the meaning of Western Qi before, so I won’t repeat it here, but let’s talk about the reason. If mortals introduce Western Qi into their bodies, they can become immortal practitioners. In that case, it must be wrong.

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Chapter 198