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Three major problems in the existence of red sandalwood
Red sandalwood is among the most valuable woods in the world, primarily found in the tropical regions of the South Sea Islands. While China’s Guangdong and Guangxi provinces also produce rosewood, the quantity is relatively small. Indian lobular rosewood, commonly known as chicken blood rosewood, is currently considered the most precious type of rosewood, and it's regarded as the highest quality within the rosewood family. As the saying goes, the largest red sandalwood trees are only about 20 centimeters in diameter, which gives a sense of how rare and valuable this wood truly is. Today, we’ll explore the three main issues associated with red sandalwood.
**One of the Three Main Issues: The Heartwood Development**
The seedlings of red sandalwood do not initially have purple heartwood. Only after growing for a certain period does the heartwood gradually turn purple (fresh red sandalwood is usually orange-red). This color change is due to the accumulation of the essential oils and compounds that give red sandalwood its unique properties. High-quality red sandalwood has a smooth texture, similar to rosewood, with almost no visible wood fibers. When carved or polished, the grain resembles that of nephrite jade. The term "old red sandalwood" refers to pieces that are fine and free from brown eyes—these are often hidden because they are filled with red sandalwood, making them less noticeable.
Many old rosewood pieces have nearly invisible annual rings due to the high concentration of red sandalwood. This results in a higher density and lower wood fiber content. Therefore, old red sandalwood can have a density exceeding 1.3 after drying. In contrast, new red sandalwood, which hasn’t had enough time to develop, has a much lower density. Only wild red sandalwood that grows slowly over a long period can be classified as "old." Even after decades of drying, new red sandalwood won’t significantly increase in density or improve in quality.
**Second Major Issue: Moisture Content and Cracking**
After being cut down, red sandalwood still contains moisture, which slightly increases its physical density. However, as the wood dries over time, the water content decreases, making it more suitable for processing. During this drying process, many types of wood tend to crack due to internal stress caused by dehydration. This is a natural and unavoidable phenomenon.
Old red sandalwood that has been properly stored for years is less likely to crack, as the internal stresses have already balanced out. However, if cracks do occur, they may leave behind visible marks on the surface. These cracks can cause oxidation, resulting in dark purple or black spots. Even after grinding away the surface, the oxidation traces beneath the cracks remain visible, giving the wood a distinctive appearance.
**Third Major Issue: Hollowing**
It’s often said that “ten sands and nine hollows,†though the actual proportion may not be that extreme. The reason for hollowness in red sandalwood is quite understandable. As the tree ages, the center tends to become hollow. This is especially true for trees that have grown for over 500 years. Additionally, while the tree is alive, it continuously produces and stores red sandalwood in the trunk. Over time, the heartwood near the center becomes densely packed with resin and sometimes even mineral crystals, causing the inner conduits to clog and eventually break. This leads to a slow decay of the central part, similar to how a fruit rots when its nutrient supply stops.
This hollowing process is very gradual and typically begins from the roots. It takes centuries for the center to fully hollow out, but it’s a natural part of the aging process of red sandalwood.
Daruifuno's glass PH Electrode uses high-quality glass as the electrode head to ensure that the electrode can accurately measure the pH value in water. Whether it is precision measurement in the laboratory or real-time monitoring of industrial water treatment, Daruifuno's glass pH electrode can provide reliable pH data to help you easily control the acid-base balance of the solution. Choose Daruifuno to make every measurement accurate and make the glass pH electrode your trusted PH Measurement tool.
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As the core part of the pH electrode, the glass material has many unique advantages. First of all, its excellent chemical stability ensures that the electrode is not easily corroded or contaminated when it is in contact with various aqueous solutions for a long time, thereby maintaining the long-term accuracy of the measurement. In addition, the glass material has good ion selectivity and can effectively respond to changes in the concentration of hydrogen ions in the solution, converting it into an electrical signal output to achieve high-precision pH measurement. Furthermore, the glass electrode has a fast response speed and can achieve stable readings in a short time, which improves work efficiency. Finally, the high-quality glass material also gives the electrode good mechanical strength, making it more durable during use and reducing the frequency of maintenance and replacement.
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Daruifuno's glass pH electrodes are widely used in many fields. In scientific research laboratories, it is an indispensable tool for studying chemical reactions, biological processes and environmental monitoring. It can be accurate to several decimal places to meet the needs of high-precision scientific research. In the industrial field, especially in water treatment, food processing, pharmaceutical and chemical production, the precise control of pH value is directly related to product quality and safety. Daruifuno's electrode helps enterprises achieve automated control through real-time monitoring to ensure the stability and efficiency of the production process. In addition, in industries such as environmental monitoring, agricultural irrigation and aquaculture, this electrode also plays an important role, providing data support for environmental protection and ecological balance.
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Daruifuno's glass pH electrode, with its high-quality glass material, not only shows excellent chemical stability, ion selectivity, fast response and durability, but is also widely used in scientific research, industrial production and environmental protection and other key fields. Whether it is scientific research that pursues extreme precision or industrial production that requires stable and reliable monitoring, Daruifuno's glass pH electrode can provide a trustworthy solution and become a powerful assistant for users to control the acid-base balance of solutions, optimize production processes and protect the ecological environment. Choosing Daruifuno means choosing high precision, high efficiency and long-term trust guarantee.
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For more than a decade, Daruifuno has been focusing on the R&D and production of water quality analysis instruments. Our extensive product line includes not only glass pH electrodes, but also analyzers/meters, controllers and sensors/probes/electrodes for key Water Quality Parameters such as pH, ORP, conductivity, turbidity, COD, dissolved oxygen, ammonium and chlorine. If you are interested in any of our products, please feel free to contact us.