Zhongxi is a complete laboratory for analysis and testing, also an audited contract laboratory.We can provide a wide range of chemical analysis and material testing services to a diverse international customer base.Our expertise and years of experience enable us to choose the right analytical methods and generate the accurate data needed to solve your toughest problems.

Detection range

Organic chemical raw materials: alkanes and their derivatives, olefins and their derivatives, alkynes and their derivatives, quinones, aldehydes, alcohols, ketones, phenols, ethers, anhydrides, esters, organic acids, carboxylic acids, carbohydrates, heterocycles, nitriles, halogenates, amines, etc.

Inorganic chemical raw materials: sulfur, sodium, phosphorus, potassium, calcium and other chemical minerals (see inorganic salt industry), coal, petroleum, natural gas, air, water, etc

Starting materials: air, water, fossil fuels (coal, oil, natural gas, etc.), sea salt, various minerals, agricultural products (such as starchy grain or wild plants, cellulosic wood, bamboo, reeds, straw, etc.).

Intermediate materials: methanol, acetone, vinyl chloride, etc

Experiment flow


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The test items

Testing of organic chemical raw materials

Hydrocarbons, butadiene for industrial use, industrial use acetic acid ester, ethylene for industrial use, propylene for industrial use, industrial chemical copper plating solution, purified terephthalic acid (pta) for industrial use, nylon 66, isobutane for industrial use, ethylene glycol used in industry, industrial with styrene ,maleic anhydride for industrial use,methanol for industrial use, toluene, methyl acrylate, etc.

Purity and impurity content, acidity, moisture, chroma, evaporation residue, crystallization point, hydroxyl compound, polymerization inhibitor, peroxides, PH value, total aldehyde content, boiling range, alcohol content, density, etc.

Inorganic chemical raw material testing

Calcium carbonate, anhydrous lithium perchlorate, industrial persulfate products, industrial calcium chloride,high purity sodium hydroxide for industrial use, Sodium hydroxide for chemical fiber, industrial boride, industrial boric acid, sodium hydroxide used in industry, industrial sodium carbonate,synthetic hydrochloric acid for industrial use,nitric acid concentrated nitric acid for industrial use, industrial sulfuric acid, magnesium hydroxide for industrial use, calcium hydroxide for industrial use, by-product hydrochloric acid, sodium bicarbonate for industrial use, potassium permanganate for industrial use, calcium chloride for industrial use, etc.
Compound content, elemental content, moisture, chloride, heavy metal content, burning residue, pH value, insoluble content, water soluble content, density, whiteness, oil absorption, determination of activation degree, acidity and alkalinity, sieve residue content, particle size, bulk density, looseness, volatile at 105℃, etc.

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Tags: Chemical raw material testing