whatsApp: +8618332108399natai@hbnatai.com

Quick links

Locaiton : Home - News

11 kinds of potassium peroxomonosulfate detection methods

Potassium monopersulfate composite salt has been promoted in the domestic aquatic industry for nearly ten years, but the national standard has not been formed. In the early stage of development, the phenomenon of bad money expelling good money has appeared directly. Even now, some big factories have to satisfy The low-cost demand of some farmers is also rushing to purchase some raw materials with very low content or even no KHSO5. This is extremely unfavorable for the development of potassium hydrogen monopersulfate, and it is also a kind of damage to the aquaculture industry. 
  
 Hebei Natai Chemical Industry Co., Ltd. actively promotes the company's fidelity commitment work, and hopes that the majority of dealers and farmers will use the real compound potassium monopersulfate products. 
  
And this article also summarizes some current potassium peroxymonosulfate detection methods, to provide some help for everyone to judge the real thing: 
1. A liquid  - massc- hromatography (LC-MS) or gas  - mass- chromatography spectrometry (GC-MS) method   

(1) Introduction to the method 
Liquid - mass spectrometry ( LC-MS ) refers to the simultaneous analysis of samples by liquid chromatography and mass spectrometry; 
Gas chromatography - mass spectrometry (GC-MS) method refers to common samples are analyzed by gas chromatography and mass spectrometry; 
Both of these assays allow accurate separation of the product and analysis of the relevant components in the sample. 
The choice of specific methods also considers the formulation of the product.

Liquid chromatography 
(2) Comprehensive evaluation 
project,   Detection accuracy   Convenience of detection   Testing fee 
Star,   ★★★★★   ☆☆☆☆☆   ★★★★★ 
the reason,   Qualitative and quantitative are very accurate   Extremely inconvenient: related instruments are generally only available in universities and research institutes, and daily testing is not convenient.   In the general test method, the cost is the highest.
Plasma mass spectrometer 

2. EDX and other analytical methods 
(1) Introduction to the method 
You may be selected EDX (X-ray energy spectroscopy) analysis, of course, may be selected using XRF (nuclear magnetic resonance spectroscopy analyzer), FTIR (infrared spectroscopy), XRD (X-ray fluorescence spectrometer) qualitative analysis of potassium ions is performed. 
The instrument directly analyzes whether the product contains potassium ions to help determine whether the product is genuine or not. 
(2) Comprehensive evaluation 
project ,  Detection accuracy   Convenience of detection   Testing fee 
Star   ★★★☆☆   ☆☆☆☆☆   ★★★☆☆ 
the reason,   1 , can only judge whether it contains potassium ions, but cannot judge its source;  2 , of course, can also be combined with the actual method to further determine whether the product contains sulfate ions to further determine the true and false products.  Extremely inconvenient: related instruments are generally only available in universities and research institutes, and daily testing is not convenient.   In the general detection method, the cost is higher. 
3. potassium iodide detection method 
(1) Introduction to the method 
When it is confirmed that it is a genuine potassium hydrogen monopersulfate, about 1 g of potassium hydrogen monopersulfate sheet / powder is completely dissolved in about 50 ml of purified water, and after shaking, about 1 g of KI solid is added, and the darker the color, the higher the content. 
This method is a simple version of the active oxygen detection method. For the convenience of operation, the height can only be judged by the depth, and the specific content cannot be confirmed. 
(2) Comprehensive evaluation 
project,   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★★☆☆   ★★★☆☆   ★★☆☆☆ 
the reason,   1. If it is genuine, you can use this method to determine the content of the product; 2 , high oxidizing chemicals can affect the color change, such as sodium chlorite, chlorine preparations;   Need to buy potassium iodide.   Relative to the general detection method is higher.
4. active oxygen detection method 
(1) Introduction to the method 
Since the real product is composed of potassium monopersulfate compound, which is compounded by monopersulfuric acid, and the pure monopersulfuric acid generally has oxygen content of 4.5% , the corresponding content of potassium monopersulfate should contain a certain amount of active oxygen. . 
This method can only detect the level of potassium monopersulfate in the case of reconfirming the authentic product, and can not distinguish the true and false products. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★★☆☆   ★★☆☆☆   ★★★☆☆ 
the reason   1 , there will be fraud cases, such as chlorine can detect active oxygen, and chlorine active oxygen is relatively high; because the analysis method of potassium peroxomonosulfate active oxygen and chlorine product analysis methods are basically the same.  2 , for the real thing can be preliminary judged the level of content;   Most dealers and farmers do not have such testing equipment.   Relative to the general detection method is higher 
5. PH value discrimination 
(1) Introduction to the method 
Potassium monopersulfate is an acidic substance. Generally, the product is acidic after being dissolved in water, and potassium monopersulfate can exert a good effect under acidic conditions, and sodium chlorite is an alkaline substance. 
Take 1g of the product, crush the tablets, put the powder directly into 100ml of water, stir and dissolve, and then test with PH test paper or PH meter. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★★☆☆   ★★★★☆   ★☆☆☆☆ 
the reason   1 , the real product potassium hydrogen persulfate products generally PH <5;  2 , PH>5 indicates that the product is sodium chlorite or other basic oxides .
Of course, it is also possible that the company has a special formula, the PH value of the product is not necessarily less than 5 , but it will certainly be acidic.   Simple and practical operation.  Buying PH test paper online is convenient and cheap. 
6. black mud oxidation identification method 
(1) Introduction to the method 
   1. Take appropriate amount of sludge and sewage in a beaker and put it into the to-be-identified product. After two hours, observe: if the water is clarified, the surface oxide layer of the sludge is flat and flat, which is generally fake; if the water is clear but slightly Turbid (suspended small organic particles), the surface of the sediment is loose and uneven to form an oxide layer (like the arched arch) is generally genuine. 
   2 , the larger the area of sludge oxidation, does not mean that it must be potassium peroxymonosulfate compound! In fact, in the general tableting, as long as about 5% of sodium chlorite is added, the effect of oxidizing the sediment is very obvious, which is more obvious than 50% of the potassium monopersulfate triple salts. 
   3, if the simple test lasts for more than 5 days, the water is clear and the cup is also clean and is generally the genuine potassium monopersulfate. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★★☆☆   ★★★★☆   ☆☆☆☆☆ 
the reason   Look carefully at the surface of the black mud, there is a certain accuracy rate, and people with certain experience can accurately judge.   Very simple, just a simple tool.   Almost no testing costs. 
7. product smell identification method 
(1) Introduction to the method 
After opening the bag, smell the air in the bag. If the chlorine smell is too heavy, it means that it may contain chlorine. However, the medium and low content of genuine tablets, because there are Yuanming powder, if the water is not well controlled, then there may be a certain chlorine smell, but after the real bag is opened, the chlorine taste is not lasting, if the chlorine taste lasts. It must be a chlorine-containing preparation. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★★☆☆   ★★★★★   ☆☆☆☆☆ 
the reason   1 , the real product potassium peroxomonosulfate if the water is too high or open the bag for too long will also have a chlorine smell; 2 , sodium chlorite products are odorless, so this method cannot rule out sodium chlorite products.   Olfactory directly.   No cost .
8. salt identification method 
(1) Introduction to the method 
   1. Add salt directly to a small cup of water to the saturation level. It is best to have a certain amount of salt at the bottom of the cup, then add the potassium monopersulfate, and gently fan the mouth of the container to the nose. To the irritating chlorine smell, it must contain strong oxidants, which may be monopersulfate potassium, or sodium persulfate, sodium hypochlorite or sodium chlorite. At the same time, this method does not necessarily mean accuracy. The formula of Hebei Natai Chemical Industry Co., Ltd. adopts chain circulation reaction. The chlorine gas trapping agent is added to the formula, which can quickly capture the chlorine gas reacted with potassium monopersulfate and salt to form a disinfecting component and enhance the product effect. Therefore, Natai chemical products can hardly smell chlorine in saturated brine, and DuPont Virkon can use the same principle. In addition, the high content of potassium hydrogen peroxymonosulfate ( 50% ) has a " anti-counterfeiting mark " , that is, a redox indicator is added, dissolved in water and displayed in red, and some salt is added to the potassium hydrogen monopersulfate solution, and the color changes from deep to deep. Shallow, because the salt reacts with potassium peroxymonosulfate, the redox potential value is lowered and the color changes. This is also the reason why the color of the product will change after the product is watered in the different salinity culture ponds in the south. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★☆☆☆   ★★★★★   ☆☆☆☆☆ 
the reason,   Cannot be used as a quantitative test method, with special emphasis on whether the presence of chlorine in the saturated saline solution is not a prerequisite for the determination of potassium monopersulfate. Therefore, we do not recommend this method. 
Of course, there may be another situation. The company has no formula directly, and simply compresses the sheet directly with sulfur and auxiliary materials. At this time, it reacts with salt water, and the reaction is fierce, but such products are quite irritating.   very simple.   Almost no testing costs .
9. packaging bag observation method 
9.1. There is still no change in the packaging bag for more than 3 months, which is one of the necessary conditions for authentic products. 
9.2 , the instructions on the package should have a clear content mark. 
(1) Introduction to the method 
Obtain the company's products directly and observe the bags. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★☆☆☆   ★★★★★   ☆☆☆☆☆ 
the reason   Can be used as one of the auxiliary detection methods.   No tools required.   No testing fee .
10. Product Appearance Identification 
(1) Introduction to the method 
Potassium monopersulfate can hardly contain water, mostly in powder form or directly compressed, or irregular particles. It is generally impossible to produce a regular spherical particle by wet production. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★☆☆☆   ★★★★★   ☆☆☆☆☆ 
the reason   1. Single potassium monopersulfate products, such as spherical particles produced by wet method, are generally fake. 2 , first exclude regular spherical particles from the appearance of the product.   Directly distinguishable by the naked eye.   No cost. 
11. mud skin discrimination 
(1) Introduction to the method 
When confirming that there is moss mud at the bottom of the pond, sprinkle the product according to the indicated dosage or appropriate amount. If there is muddy surface, it is generally genuine. If there is no mud or little mud, it may be fake or low. The product. 
(2) Comprehensive evaluation 
project   Detection accuracy   Convenience of detection   Testing fee 
Star   ★★☆☆☆   ★★★★☆   ★☆☆☆☆ 
the reason   1. The authentic product potassium hydrogen monopersulfate has a very obvious loosening effect on the sediment.  2 , but also consider the problem of the amount of use, even if it is genuine, the amount of use is too small, there may be less muddy floating.   Simple and practical operation.   Almost no other expenses, just the cost of the product. 
  
Through the above relevant tests we can at least conclude that: farmers and dealers can have their own comprehensive judgment based on conditions by the method mentioned above, first by the appearance, odor, PH, sediment and water color discrimination can eliminate most false The product is then confirmed by active oxygen analysis or potassium iodide analysis to determine potassium monopersulfate and its content. 
  

LEAVE ME A MESSAGE
message
×
Potassium monopersulfate, OXONE,CAROAT, Potassium peroxymonosulfate,삼종염,옥손, monopersulfao potasio,