Company News
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The 24th Lianhua Technology Skills Training Conference ended, focusing on technological innovation and talent training
Recently, the 24th Lianhua Technology Skills Training Conference was successfully held in Yinchuan Company. This training conference not only demonstrated Lianhua Technology’s firm commitment to technological innovation and talent training, but also provided a valuable opportunity for the ...Read more -
Visit the student aid site in Xining, Qinghai, and witness Lianhua Technology’s nine-year journey of public welfare and student aid
At the beginning of the autumn season, another year of “Love and Student Aid Charity” is about to begin. Recently, Lianhua Technology once again visited Xining, Qinghai, and continued its nine-year chapter of public welfare and student aid with practical actions. This is not only a c...Read more -
Warmly congratulate Lianhua Technology for winning the bid for 53 sets of portable multi-parameter water quality analyzer in the Xinjiang Ecological Environment Bureau project, helping water enviro...
Good news! Lianhua Technology’s portable multi-parameter water quality analyzer C740 successfully won the bid for the Xinjiang Uygur Autonomous Region Water Ecological Environment Law Enforcement Equipment Capacity Building Project (Phase II). This bid involves 53 sets of equipment, which ...Read more -
China Water Quality Instrument Recommendation: Economical and high-quality Qinglan series LH-P3 single-parameter rapid tester
In many fields such as environmental monitoring, pharmaceuticals, brewing, food papermaking, petrochemicals, etc., rapid and accurate parameter determination is crucial. Lianhua Technology’s newly launched Qinglan series LH-P3 single-parameter portable water quality tester not only has effi...Read more -
China Water Quality Instrument Recommendation | LH-A109 Multi-parameter Digestion Instrument
In water quality testing experiments, the digestion instrument is an indispensable and important tool. Today, I would like to recommend an economical, easy-to-use digestion instrument for everyone-LH-A109 multi-parameter digestion instrument. 1. Economical and affordable, great value for money In...Read more -
Lianhua Technology’s water quality analyzer shines with splendor at the IE Expo China 2024
Preface On April 18, the 25th China Environmental Expo opened grandly at the Shanghai New International Expo Center. As a domestic brand that has been deeply involved in the field of water quality testing for 42 years, Lianhua Technology made a wonderful appearance...Read more -
Fluorescence dissolved oxygen meter method and principle introduction
Fluorescence dissolved oxygen meter is an instrument used to measure the concentration of dissolved oxygen in water. Dissolved oxygen is one of the important parameters in water bodies. It has an important impact on the survival and reproduction of aquatic organisms. It is also one of the import...Read more -
UV oil meter method and principle introduction
The UV oil detector uses n-hexane as the extraction agent and complies with the requirements of the new national standard “HJ970-2018 Determination of Water Quality Petroleum by Ultraviolet Spectrophotometry”. working principle Under the condition of pH ≤ 2, the oil substances in the...Read more -
Infrared oil content analyzer method and principle introduction
The infrared oil meter is an instrument specially used to measure the oil content in water. It uses the principle of infrared spectroscopy to quantitatively analyze the oil in the water. It has the advantages of fast, accurate and convenient, and is widely used in water quality monitoring, envir...Read more -
![[Customer Case] Application of LH-3BA (V12) in food processing enterprises](https://cdn.globalso.com/lhwateranalysis/119.jpg)
[Customer Case] Application of LH-3BA (V12) in food processing enterprises
Lianhua Technology is an innovative environmental protection enterprise specializing in the research and development, production, sales and service solutions of water quality testing instruments. Products are widely used in environmental monitoring systems, scientific research institutes, daily c...Read more -
What to do if COD is high in wastewater?
Chemical oxygen demand, also known as chemical oxygen consumption, or COD for short, uses chemical oxidants (such as potassium dichromate) to oxidize and decompose oxidizable substances (such as organic matter, nitrite, ferrous salts, sulfides, etc.) in water, and then Oxygen consumption is calcu...Read more -
What are the advantages and disadvantages of the reflux titration method and the rapid method for COD determination?
Water quality testing COD testing standards: GB11914-89 “Determination of chemical oxygen demand in water quality by dichromate method” HJ/T399-2007 “Water Quality – Determination of Chemical Oxygen Demand – Rapid Digestion Spectrophotometry” ISO6060 “Det...Read more
