Solutions for Your Solution

Battery production, fertilizer manufacturing, etching in the semiconductor industry, incoming goods controls, and final quality checks – these are just some of the applications you can use acids and bases for. Our concentration determination portfolio for binary and ternary liquids comprises highly accurate technologies with a focus on density, refractive index, and sound velocity for laboratory, at-line, and process measurement. Perform your analysis with low sample volumes and without consumable material, precisely and cost-effectively.

Enjoy great data handling with the AP Connect lab execution software. Go paperless. Eliminate transcription errors. Trigger measurements. Centralize your lab data by storing tens of thousands of measurements in a single digital space and access it whenever you want.

Whatever your specific requirements, we have solutions for your solution.

	Instrument	Samples	Measurement
	Benchtop density meter: DMA Anton Paar’s Next-Level Density Meter. 4-digit density measurements in 20 seconds (DMA 4101). Measuring modules for various applications (DMA 4501). 0.000005 g/cm³ accuracy (DMA 5001). Automation options with Xsample sample changers are available. Show product details	H₂SO₄ H₃PO₄ HCl HNO₃ NaOH NH₃ / NH₄OH	Density	H₂SO₄ applications H₂SO₄ : Determination of dilution to a defined concentration Product labeling: Final product quality check Final H₂SO₄ product: Efficient quality control H₃PO₄ applications Concentration determination of acids or bases as incoming goods in the production of cleaning agents Concentration check of binary and quasi-binary solutions Weight-to-volume conversion for sale of products by volume and for filling volume control according to national taxation law Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical Fertilizer industry: Quality check of incoming goods (e.g., monoammonium phosphate (MAP)and diammonium phosphate (DAP)) Product labeling: Final product quality check Production of detergents and cleaning agents: Assurance of maximum activity via addition of precise amount of phosphoricacid HCl applications PVC manufacturing: Concentration determination of HCl before reaction with acetylene (attemperatures from 140 °C to 200 °C) Chlorides manufacturing: HCI concentration check for incoming goods HCl dilution: Determination to a defined concentration Production of hydrochloric acid: Concentration check after dissolving HCl in water Final HCl product: Efficient quality control Product labeling: Final product quality check HNO₃ applications Fertilizer industry: Quality check of incoming goods (e.g., ammonium nitrate, often in combinationwith urea) Nylon manufacturing: Concentration check of incoming goods (HNO₃ is an important reagentin the formation of adipic acid, which is used to manufature nylon) Etching in the metal industry: Incoming goods check in order to remove contaminants and oxides frommetal surfaces Product labeling: Final product quality check NaOH applications Final NaOH product: Efficient quality control Sodium hydroxide: Concentration check before shipping Product labeling: Final product quality check NaOH dilution: Determination to a defined concentration Binary and quasi-binary solutions: Concentration check Production of chemicals such as solvents, plastics, fabrics, adhesives, herbicides, dyes, inks, pharmaceuticals: Concentration determination NH₃ / NH₄OH applications Fertilizer industry: Concentration check (based on stoichiometric reactions) of substanceswhere NH₃ as a fundamental compound is involved Product labeling: Final product quality check
	Benchtop density meter: DMA 5001 Unmatched 6-digit accuracy, even with highly viscous and highly dense samples. A density meter for the best performance in demanding, high-end applications. Automation options with Xsample sample changers are available. Show product details	H₃PO₄	Density	H₃PO₄ applications Quality check based on concentration and purity of electronic-grade H₃PO₄ for etching in the semiconductor industry Qualiy check based on concentration and purity in the manufacturing of solar panels as dopant
	Compact digital density meter: DMA Rugged compact digital density meter for quick density and concentration checks near the production line, in storage facilities, and in the lab. Show product details	HCl H₂SO₄ H₃PO₄ HNO₃ NaOH NH₃ / NH₄OH	Density	H₂SO₄ applications H₂SO₄ : Determination of dilution to a defined concentration Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical HCl applications Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical PVC manufacturing: Concentration determination of HCl before reaction with acetylene (attemperatures from 140 °C to 200 °C) Chlorides manufacturing: HCI concentration check for incoming goods HCl dilution: Determination to a defined concentration Production of hydrochloric acid: Concentration check after dissolving HCl in water Product labeling: Final product quality check H₃PO₄ applications Concentration determination of acids or bases as incoming goods in the production of cleaning agents Concentration check of binary and quasi-binary solutions Weight-to-volume conversion for sale of products by volume and for filling volume control according to national taxation law Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical Fertilizer industry: Quality check of incoming goods (e.g., monoammonium phosphate (MAP)and diammonium phosphate (DAP)) Product labeling: Final product quality check Production of detergents and cleaning agents: Assurance of maximum activity via addition of precise amount of phosphoricacid HNO₃ applications Fertilizer industry: Quality check of incoming goods (e.g., ammonium nitrate, often in combinationwith urea) Nylon manufacturing: Concentration check of incoming goods (HNO₃ is an important reagentin the formation of adipic acid, which is used to manufature nylon) Etching in the metal industry: Incoming goods check in order to remove contaminants and oxides frommetal surfaces Product labeling: Final product quality check NaOH applications Final NaOH product: Efficient quality control Sodium hydroxide: Concentration check before shipping Acids and bases as incoming goods in the production of cleaning agents: Concentration determination Binary and quasi-binary solutions: Concentration check Production of chemicals such as solvents, plastics, fabrics, adhesives, herbicides, dyes, inks, pharmaceuticals: Concentration determination NH₃ / NH₄OH applications Fertilizer industry: Concentration check (based on stoichiometric reactions) of substanceswhere NH₃ as a fundamental compound is involved Product labeling: Final product quality check
	Density meter: DMA 4200 M DMA 4200 M is the ideal density meter for measurements of heavy petroleum samples at high temperatures and pressures. It saves you time, money, and solvent, and improves your quality control. Show product details	HF	Density	HF applications Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical Semiconductor industry: Concentration check and purity assessment because HF is used as a strongetchant for SiO₂ Product labeling: Final product quality check
	Portable density meter: DMA 35 Use the portable digital density and contentration meter DMA 35 to measure your sample directly on-site, and benefit from easy operation. Show product details	H₂SO₄ H₃PO₄ HCl NaOH HNO₃ NH₃ / NH₄OH	Density	H₂SO₄ applications Sulfuric acid concentration, lead-acid battery production: Measurement to calculate the state of lead acid battery charge, QCof lead acid battery during production, and before shipment of the batteries Unloading: Product identification Lead-acid battery manufacturing: Initial dilution of incoming sulfuric acid to different storage concentration Lead-acid battery manufacturing: Filling of correct acid concentration according to type and size H₂SO₄ : Determination of dilution to a defined concentration Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical H₃PO₄ applications Fertilizer manufacturing: Quality control and minimal use of raw materials plus product indentificationduring unloading Unloading: Product identification Concentration determination of acids or bases as incoming goods in the production of cleaning agents Concentration check of binary and quasi-binary solutions Weight-to-volume conversion for sale of products by volume and for filling volume control according to national taxation law Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical Fertilizer industry: Quality check of incoming goods (e.g., monoammonium phosphate (MAP)and diammonium phosphate (DAP)) HCl applications Unloading: Product identification Etching in the metal industry: Incoming goods check to calculate the right amount of every chemical PVC manufacturing: Concentration determination of HCl before reaction with acetylene (attemperatures from 140 °C to 200 °C) Chlorides manufacturing: HCI concentration check for incoming goods HCl dilution: Determination to a defined concentration Production of hydrochloric acid: Concentration check after dissolving HCl in water HNO₃ applications Fertilizer industry: Quality check of incoming goods (e.g., ammonium nitrate, often in combinationwith urea) Nylon manufacturing: Concentration check of incoming goods (HNO₃ is an important reagentin the formation of adipic acid, which is used to manufature nylon) Etching in the metal industry: Incoming goods check in order to remove contaminants and oxides frommetal surfaces Product labeling: Final product quality check NaOH applications NaOH as an incoming good for a variety of chemicals and products, including those for water treatment, aluminum production, and the pulp and paper industry: Concentration determination Unloading: Product identification Final NaOH product: Efficient quality control Sodium hydroxide: Concentration check before shipping Cleaning in the food and beverage industry (water treatment, food processing, cleaners for beverage bottles): Concentration determination of sodium hydroxide Acids and bases as incoming goods in the production of cleaning agents: Concentration determination NH₃ / (NH₄OH applications Fertilizer industry: Concentration check (based on stoichiometric reactions) of substanceswhere NH₃ as a fundamental compound is involved Product labeling: Final product quality check
	Inline density meter: L‑Dens 7400 4-digit-accuracy inline density meter, designed for hazardous environments; comprehensive concentration formula database; easy integration with minimal engineering efforts and costs; multiple materials available (also in Ex versions). Show product details	Acetic acid Citric acid H₂SO₄ H₃BO₃ H₃PO₄ HCl HNO₃ NaOH Oleum	Density	Acetic acid applications Plastics industry: Minimal use of raw materials Food industry: Optimal taste and conservation Pharmaceutical industry: Measurement of C₄H₆O₃ (acetoacetic acid) in C₂H₄O₂ acetic acid anhydride Citric acid applications Food industry: Optimal taste and conservation Cleaning agent manufacturing: Optimal softening and lime dissolution Detergent manufacturing: Optimal softening H₂SO₄ applications Lead-acid battery manufacturing: Optimal alpha-to-beta PbO₂ ratio during the formation process Concentration at inlet & outlet of drying tower: Measurement to optimize SO₂ drying process and prevent equipment corrosion H₂SO₄ : Determination of dilution to a defined concentration Lead-acid battery manufacturing: Initial dilution of incoming sulfuric acid to different storage concentration Fertilizer manufacturing: Quality control and minimal use of raw materials, plus product indentification Final H₂SO₄ product: Efficient quality control Unloading: Product identification Metal industry: Optimization of the pickling process H₃BO₃ applications Nuclear power plant: Creation of optimal neutron velocity H₃PO₄ applications Fertilizer manufacturing: Quality control and minimal use of raw materials plus product indentificationduring unloading H₃PO₄ dilution: Determination to a defined concentration Unloading: Product identification Metal industry: Optimization of pickling process HCl applications Manufacturing process: Running of HCl absorber in optimal concentration range Final HCl product: Efficient quality control HCl dilutions: Determination to a defined concentration Gas scrubber: Safe cleaning of exhaust gases Unloading: Product identification Metal industry: Optimization of the pickling process HNO₃ applications Fertilizer manufacturing: Quality control and minimal use of raw materials plus product indentificationduring unloading HNO₃ dilution: Determination to a defined concentration Food and beverage industry: Safe disinfection and cleaning with minimal HNO₃ consumption Unloading: Product identification NaOH applications Final NaOH product: Efficient quality control NaOH dilution: Determination to a defined concentration Viscose industry: Provision of optimal NaOH recyling process Food and beverage industry: Safe disinfection and cleaning with minimal NaOH consumption Diaphragm cell creation of caustic soda: Incoming brine concentration measurement, guarantee of less energyconsumption in the subsequent evaporation step Unloading: Product identification Oleum applications Oleum absorbers: Control of H₂SO₄ concentration at the inlet and of oleum concentrationat the outlet – for both absorbers Final oleum product: Efficient quality control Unloading: Product identification
	Inline density meter: L‑Dens 7500 Outstanding accuracy of up to 5 x 10^-5 g/cm³; comprehensive concentration formula database; easy integration with minimal engineering efforts and costs; available in Alloy C-276 (also in Ex version). Show product details	CMP slurries	Density	CMP slurry applications CMP slurry: Determination of stable density within specification limits
	Compact inline density meter: L-Dens 3300 Continuous monitoring, 3-digit density-and-concentration accuracy, even at low flow rates (≤80 L/h), with Anton Paar’s compact inline density meter. Show product details	H₂SO₄ CMP slurries	Density	CMP slurry applications CMP slurry: Determination of stable density within specification limits H₂SO₄ applications Lead-acid battery manufacturing: Filling of correct acid concentration according to type and size Lead-acid battery manufacturing: Optimal alpha-to-beta PbO₂ ratio during the formation process
	Refractometer: Abbemat series Powerful refractometer series for qualitative and quantitative analysis of substances - quick and easy. Show product details	Acetic acid Citric acid Formic acid H₂SO₄ H₃PO₄ HCl HNO₃ NaOH NH₃ / NH₄OH	Refractive index	Acetic acid applications Methanol carbonylation: Concentration check of final acetic acid Production of vinyl acetate or PET: Assurance that acetic acid meets required specifications Food industry: Concentration check of acetic acid (E260) as a preservative beforeaddition to product Citric acid applications Food and beverage production: Quality check via addition of right concentration of citric acid foracidifying and flavoring Detergents, soaps, pharmaceuticals, cosmetics: Maintainenance of optimum pH via addition of the right amount of citricacid Pharmaceutical and cosmetics industry: Quality and concentration check of citric acid before use as pH buffer Formic acid applications Production of formed acid: Purity and concentration check of formic acid after methyl formatehydrolysis Production of animal feed: Assurance of optimal conditions for growth of lactic acid bacteriato achieve best-possible silage treatment via addition of the right amountof formic acid Leather treatment: Achievement of best tanning results via use of formic acid in the exactrequired concentration Food, textile, and pharmaceutical industry: Regulation of pH value to required value via concentration determation of formic acid H₂SO₄ applications Conversion of sulfur trioxide to sulfuric acid: Concentration determination of sulfuric acid in production Fertilizer production: Chemical extraction of phosphate via utilization of the right concentration of sulfuric acid Pickling solution: Optimization, for removal of surface impurities from metals Production of fibers, hydrofluoric acid, paints, and pigments: Knowledge about the exact concentration of sulfuric acid required Paper bleaching process: Generation of the right amount of chlorine dioxide by adding the correctamount of sulfuric acid H₃PO₄ applications Production of fertilizers: Assurance of right sulfuric acid concentration to obtain the best possibleyield of phosphoric acid during wet process Preservation of beverages and food (E338): Guarantee of soft drink taste and quality via addition of the rightamount of phosphoric acid Production of detergents and cleaning agents:: Assurance of maximum activity via addition of precise amount of phosphoricacid Conversion of rust or protection of metal against corrosion:: Optimal concentration determination of phosphoric acid HNO₃ applications Production and shipping of nitric acid: Determination of correct dilution Production process of fertilizers and explosives: Purity and concentration assessment Production of adipic acid (raw material for nylon): Concentration determination HCl applications Production of hydrochloric acid: Concentration check after dissolving HCl in water Transesterification process of edible or non-edible oils: Concentration determination for hydrochloric acid before use Production of dichloropropanol: Concentration measurement of hydrochloric acid to assure the right molar ratio with glycerol Production of phenylenediamine: Concentration determination of hydrochloric acid when adding to the process Production of bisphenol: Concentration determination of hydrochloric acid when adding to the process Alkaline products or waste water: Concentration determination of hydrochloric acid to optimize neutralization process Oil well acidizing: Concentration determination of hydrochloric acid to improve well productivity Production of high-fructose corn syrup: Concentration determination for the inversion process Quality assurance for sauces, juices, and canned goods (pH adjustment/acidification): Concentration determination of hydrochloric acid Production of hydrochlorides and other drugs: Traceable concentration measurement of hydrochloric acid NaOH applications Sodium hydroxide: Concentration check before shipping Pulp and paper: Optimum bleaching results via addition of a sodium hydroxide solution of the necessary concentration Production of chemicals such as solvents, plastics, fabrics, adhesives, herbicides, dyes, inks, pharmaceuticals: Concentration determination Saponification and manufacturing of anionic surfactants for soap and detergent: Guarantee of quality via use of exact amount of sodium hydroxide required Cleaning in the food and beverage industry (water treatment, food processing, cleaners for beverage bottles): Concentration determination of sodium hydroxide NH₃ / NH₄OH applications Household cleaner: Addition of exact amount of ammonia for optimum cleaning results Food production (E527): Quantity check of additive as an acidity regulator or disintegrating agent Fertilizer production: Check for correct nitrogen amount Ammonium salts: Concentration determination of ammonia and acid to guarantee smooth production Personal care products: Quality control when an exact amount of ammonia needs to be added Pharmaceutical drug production: Purity and concentration check
	Digital heavy duty refractometer: Abbemat 650 Refractive index measurements with robust refractometers. For high temperatures, multiple wavelengths, and samples with high or low refractive index. Show product details	HF	Refractive index	HF applications Hydrofluoric acid production: Concentration determination and assurance of right dilutions to minimize the risk for exposure of staff
	Inline refractometer: L-Rix 5100 Inline refractometer L-Rix 5100/5200 fulfills NAMUR NE 107, is designed according to EHEDG, and is ready for measuring concentration. Show product details	HNO₃ NaOH	Refractive index	HNO₃ applications Food and beverage industry: Safe disinfection and cleaning with minimal HNO₃ consumption NaOH applications Food and beverage industry: Safe disinfection and cleaning with minimal NaOH consumption
	Density and sound velocity meter: DSA 5000 M DSA 5000 M is the only instrument that combines density and sound velocity measurements in one setup with the most accurate density results. Automation options with Xsample sample changers are available. Show product details	H₂SO₄	Density, sound velocity	H₂SO₄ applications Final H₂SO₄ product: Efficient quality control Etching (0 %-100 %) in the semiconductor industry: Purity and concentration check to avoid the reduction of water efficiency
	Inline sound velocity sensor: L-Sonic 5100 Inline concentration measurement, interface detection, product identification, and OCR measurements; usable in hazardous environments. Show product details	Acetic acid HNO₃ NaOH H₂SO₄ HCl H₃PO₄ Oleum	Sound velocity	Acetic acid applications Plastics industry: Minimal use of raw materials H₂SO₄ applications Final H₂SO₄ product: Efficient quality control Unloading: Product identification Absorption process: Efficiency maximization Semiconductor industry: Purity and concentration check for etching H₃PO₄ applications Unloading: Product identification HCl applications Unloading: Product identification Electrolysis cell: Optimal brine concentration HNO₃ applications Unloading: Product identification NaOH applications Diaphragm cell creation of caustic soda: Incoming brine concentration measurement, guarantee of less energyconsumption in the subsequent evaporation step Unloading: Product identification Optimal brine concentration of electrolysis cell Oleum applications Unloading: Product identification
	Combined density and sound velocity sensor: L-Com 5500 L-Com 5500 represents Anton Paar’s new density and sound velocity sensor combination in one instrument for the measurement of 3-component mixtures. Show product details	NaOH Acetic acid	Density, sound velocity	Acetic acid applications Plastics industry: Minimal use of raw materials NaOH applications Viscose industry: Guarantee of constantly high fiber quality and minimal use of NaOH