For the identification of agarwood based on the structure of the identification method is the simplest, we only need to simply know how the structure of agarwood is and then compare the physical objects on hand to judge, the structure judgment method for the bead string is the simplest judgment method, but for many raw materials to make incense friends embarrassed, such as the appearance of many old materials in the absence of cross-sections It is difficult to find a standardized structure.
The most rigorous method is of course the chemical composition analysis method, in the country can do the chemical composition analysis unless it is a laboratory, which is impossible for the vast majority of xiangyou, then the most effective method is the aroma judgment method. This is also the most effective and simplest way to judge the authenticity of agarwood. Of course, the mastery of this method requires a certain premise, that is, whether you know the fragrance of the real agarwood and the representative fragrance of the various production areas on the market.
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Since the fragrance identification method is the simplest and most effective method, how to judge the fragrance?
Smell method: We all know that the degree of incense of a piece of agarwood is directly related to the ambient temperature and humidity. If at room temperature most of the agarwood is weak incense, and even many high-end incense friends respect the high-end origin of the smell is also very weak, the newly made beads, cards due to the process of peeling off the oxide layer of the new noodles will have a relatively rich fragrance, but after a long time with the air contact will still become a weak incense state, this is also a lot of incense friends confused place, why many agarwood bracelet just came back when the fragrance is relatively strong, but after a period of time the taste gradually fades, I even wonder if I've got a fake. Here I will also give you an answer to this is a normal phenomenon.
Important: If the agarwood product you are related to has a strong taste and has not changed in the slightest over time, then you should be careful, it is most likely a fake.
Because the smell method is a relatively beginner identification method, it is easy to cause misjudgment, such as the latest counterfeiting method with agarwood flakes of skin oil pressed into the material may be difficult to judge the true and false with this method, after all, he is also the aroma of agarwood. For example, the fakes raised by the flour method may meet the characteristics of the raw smell method when you first receive them, but they still can't change the fact that they are fakes. Then we need to use the second method to assist judgment.
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Heating method: The heating method is a further judgment after the smelling method, and we often see that many raw materials have some traces of combustion in some places, that is, the traces left by the open flame combustion identification. Of course, not all agarwood products have the conditions for open flame combustion, such as hand strings, such as carved pendants, and more often the open flame combustion method is applicable to the judgment of raw materials. How do we judge the finished agarwood product through the heating method? Let's illustrate in turn:
If it is a hand string judgment, we can only judge through simple physical methods, such as micro-heating by friction or water vapor steaming or warm wind blowing, so that it will not cause harm to the appearance of the bracelet and can feel its smell after slight heating. To make further judgments, this method must be based on the basic judgment of truth and falsehood, and it makes no sense to carry out this step without the structure. At the same time, it is recommended that when starting the bead string, as far as possible, the merchant should be required to bring a little agarwood powder of the same material for accurate judgment on the stove.
If it is a judgment of pendants and small raw materials, then we should use the most reliable furnace method or buried charcoal incense method to judge, because the current electronic incense burner can accurately control the temperature, we can let the agarwood composite organic matter be released at different temperatures by controlling the temperature to feel the fragrance, by feeling the pseudo-pre-rhyme, pre-rhyme, middle rhyme, and post-rhyme of the agarwood material.
To judge the advantages and disadvantages of an agarwood by going to the furnace, we must have several dimensions to judge:
1. Aroma temperature. If an agarwood can be well scented in the low temperature area and the fragrance feels comfortable, we will make the so-called origin match according to the characteristics of this fragrance. If the low has a mild and obvious inferior smell or the smell of other wood species other than agarwood, then the judgment can be made here. My personal habit of tasting agarwood is that no matter whether it is submerged or not, no matter what the place of origin, it is a low temperature of 60 degrees to start tasting.
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2. Fragrant and fragrant type. For bad taste, we all have a common understanding of such as sour, smelly, earthy, grassy, etc. We will have a personal selective feeling about good taste. For example, some people don't like acid, some people don't like milk, and some people don't like medicine. In general, the good taste of an agarwood stove is summarized as follows: cool, sweet, milk, milk, flowers, fruits, medicine, honey, etc. There are many associations hidden behind each word, such as what flowers? Osmanthus or orchid? Like what's cool? Medicinal cold, or fruit cold? Such as what fruit? Watermelon or banana? After all, the complex and changeable process of agarwood leads to the complex composition of the gelatin composition of agarwood, and the proportion of ingredients will show different fragrances at different temperatures. In the compound fragrance, the incense friends will try their best to find their own familiar flavors and make figurative matches.
3. Incense time. It is very important to judge the quality of an agarwood on the stove, and if the time conditions allow it, then the length of incense is also an important indicator. Even if a good agarwood is only 0.2 grams, it will have a 20-hour incense time, of course, it is best to constant a temperature if it lasts 160 degrees, then the incense time will not be too long. Communication between merchants often takes a short time to carry out a change from low temperature to high temperature according to their own experience, but for ordinary agarwood players, there is a lot of time for the feeling of agarwood incense length. The length of time can be judged by tasting after a fixed temperature range is continuously placed for a period of time.
To sum up: agarwood with excellent low temperature, wonderful fragrance, long-lasting fragrance, and high temperature tail without burning must be good agarwood.
You have noticed that this method of judgment is best based on the premise of having an understanding of the fragrance of agarwood. For example, on the furnace Dalagan we have to know how the fragrance of the Dalagan is to judge whether the furnace is Daragan, the merchant said that Nha Trang is not Nha Trang, you have to have a concept of Nha Trang and then judge whether it is true or false. All judgment methods are based on verification, and the basis for verification comes from whether you have established the correct standard. If there is no standard, it is recommended to learn agarwood first and then start with various finished products. No matter how advanced the counterfeiting technology of agarwood is, it is difficult to fake it as long as you remember a little aroma. When we have the right standards and experience are we still afraid of what cow ghost snake god?