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Lianhua Technology | A Commitment to Protecting Every Drop of Water: 43 Years of Water Quality Testing Services
Water is the source of life and a test of civilization. Since its founding in 1982, Lianhua Technology has dedicated 43 years to the industry, witnessing its development and setting a benchmark for full-cycle services through continuous innovation. In the long process of water quality protecti...Read more -
![Lianhua Technology | BOD Detection [Pitfall Avoidance Guide]](https://cdn.globalso.com/lhwateranalysis/BOD3121.jpg)
Lianhua Technology | BOD Detection [Pitfall Avoidance Guide]
BOD (Biochemical Oxygen Demand) is a key indicator for measuring the amount of oxygen consumed by microorganisms when decomposing organic pollutants in water. Have you encountered various problems when conducting BOD5 experiments? We have collected some common questions and provided concise answ...Read more -
LH-JE113 Extraction System | Bringing the Intelligent Era of Laboratory Extraction!
Extraction is a crucial step in pretreatment for chemical analysis, environmental monitoring, and scientific research. Traditional manual extraction methods are not only time-consuming and labor-intensive but also suffer from poor repeatability, severely impacting experimental efficiency and dat...Read more -
Lianhua Technology Organized All Employees to Watch the September 3rd Military Parade
On September 3, 2025, China held a grand military parade in Tiananmen Square, the capital, to commemorate the 80th anniversary of the victory of the Chinese People’s War of Resistance Against Japanese Aggression and the World Anti-Fascist War. The parade aimed to highlight the historical s...Read more -
Characteristics of petrochemical wastewater and detection of petroleum wastewater
Petrochemical is a series of organic processing processes based on petroleum as raw material, mainly based on cracking, refining, fractionation, reforming and synthesis. The wastewater generated in the production has complex components, large fluctuations in water quality and quantity, high conce...Read more -
Application, development prospects and testing of urban sewage treatment technology
1 Characteristics and treatment requirements of sewage in small towns 1.1 Characteristics of sewage in small towns The characteristics of sewage in small towns are determined by various factors. Due to the small population size and low tap water penetration rate of small towns, the sewage dischar...Read more -
Analysis of China’s water pollution control industry development policy, industry chain panorama, competition pattern and future prospects in 2025
Content summary: Water pollution control is the treatment of water bodies that can directly or indirectly affect human life and development around the crowd space, mainly including pollutant emission reduction and environmental restoration. In recent years, the state has successively issued a ser...Read more -
Application of Lianhua uv vis multi-parameter water quality analyzer LH-3BA(V12) in Food Processing Enterprises
The links that generate wastewater in the food industry mainly include the following aspects: Raw material cleaning: When cleaning raw materials such as vegetables, fruits, meat, and seafood, a large amount of wastewater containing mud, pesticide residues, and microorganisms will be generated. Fo...Read more -
Booth E4A72 at the 26th IE EXPO China 2025, witnessing the debut of Lianhua Technology’s new products
The highly anticipated IE EXPO China 2025 26th China Environmental Expo will be held from April 21st to 23rd at the Shanghai New International Expo Center. As the flagship environmental exhibition in Asia, this year’s exhibition has exceeded 200000 square meters in scale and gathered 2500...Read more -
Application of vials reagents of rapid water quality testing by Lianhua Technology
Since the Sino-US trade friction in 2018, the tariff war has become an important means of bargaining between major powers. In 2025, when the global situation is turbulent, US trade protectionism is on the rise. On April 10, the US government announced that the comprehensive tariff rate on China...Read more -
![[Little Knowledge, Big Question] How does a spectrophotometer detect COD?](https://cdn.globalso.com/lhwateranalysis/S700-spectrophotometer.png)
[Little Knowledge, Big Question] How does a spectrophotometer detect COD?
Spectrophotometer is a conventional instrument in modern water quality testing laboratories. Its principle is to use a light source that can generate multiple wavelengths, and then generate a light source of a specific wavelength through a series of spectroscopic devices. After the light passes ...Read more -
Lianhua Technology Product Use Tips Answers
1. When testing, the total nitrogen is lower than the ammonia nitrogen. What is the reason? A: First determine whether the total nitrogen is low or the ammonia nitrogen is high. The detection method of ammonia nitrogen is very simple, but there are too many interferences, which can easily cause ...Read more
