20 Best Analytical Tests in 2019

 

SEOH pH-Fix 31-83 Analytical Test Strips Box 100 #ad

SEOH pH-Fix 3.1-8.3 Analytical Test Strips Box 100

SEOH pH-Fix 3.1-8.3 Analytical Test Strips Box 100 #ad - The patented ph-fix technology stands for a high quality, color-fixed ph test strip system. To prevent bleeding, the ph-indicator is chemically bound to the cellulose fiber. For many years chemists as well as inexperienced users have appreciated ph-fix’s optimal usability, reliability, and precision. The long handle prevents fingers from coming into contact with the sample. It adds handling convenience and increases safety of operation. Four different color blocks for each ph-value (ph-fix 0-14) ensure highly precise ph-determination and make the application rapid and reliable. This allows a high standard of “workplace safety” when testing aggressive solutions. Unlike classic ph papers, ph-fix effectively protects the sample against contamination and enables measurements even in weakly buffered or strongly alkaline solutions.

 

SEOH Analytical Test Papers for the Determination of Hydrogen Sulfide Lead Free #ad

SEOH Analytical Test Papers for the Determination of Hydrogen Sulfide Lead Free

SEOH Analytical Test Papers for the Determination of Hydrogen Sulfide Lead Free #ad -  . This gas occurs in the processing of raw oil. Therefore, critical points are carefully checked. It is toxic even in low concentrations. Sulfide test paper provides an alternative which is non toxic and safe. Sulfide ions in solution also give a positive reaction. The test paper allows the easy and reliable detection of hydrogen sulphide. The frequently used lead acetate paper (ref 90744) is toxic and needs to be declared as hazardous.

 

SEOH pH-Fix 60-77 Analytical Test Strips Box 100 #ad

SEOH pH-Fix 6.0-7.7 Analytical Test Strips Box 100

SEOH pH-Fix 6.0-7.7 Analytical Test Strips Box 100 #ad - For many years chemists as well as inexperienced users have appreciated ph-fix’s optimal usability, reliability, and precision. It adds handling convenience and increases safety of operation. Unlike classic ph papers, ph-fix effectively protects the sample against contamination and enables measurements even in weakly buffered or strongly alkaline solutions. Four different color blocks for each ph-value (ph-fix 0-14) ensure highly precise ph-determination and make the application rapid and reliable. This allows a high standard of “workplace safety” when testing aggressive solutions. The patented ph-fix technology stands for a high quality, color-fixed ph test strip system. The long handle prevents fingers from coming into contact with the sample. To prevent bleeding, the ph-indicator is chemically bound to the cellulose fiber.

 

SEOH Analytical Test Strips for Determination of Sulphites and Sulphur Dioxide #ad

SEOH Analytical Test Strips for Determination of Sulphites and Sulphur Dioxide

SEOH Analytical Test Strips for Determination of Sulphites and Sulphur Dioxide #ad - This test paper is recommended for the rapid detection of sulphites and gaseous sulphur dioxide. These have to be neutralized with solid sodium acetate. Limit of sensitivity 10 mg/l na 2 so 3note sulphite test paper can also be used for medical-diagnostic purposes as a rapid test for sulphite oxidase deficiency. Thio-sulphates only interfere with the determination of gaseous sulphur dioxide. The paper does not react with sulphites in acidic solutions. The white paper turns pink to brick-red in the presence of sulphite or free sulphur dioxide.

 

SEOH pH Analytical Test Paper 5 Meter Roll Dispenser 40-70 #ad

SEOH pH Analytical Test Paper 5 Meter Roll Dispenser 4.0-7.0

SEOH pH Analytical Test Paper 5 Meter Roll Dispenser 4.0-7.0 #ad - 2-1. The colors of the color scales are specially mixed to perfectly match the reaction color of the indicator papers. Ph indicators are manufactured from high quality filter papers from macherey-nagel. For each ph-value these papers show a single color which can be matched with the color scale at intervals of ph 0. This makes the read-off of results easy and accurate. The characteristic features of ph indicator papers are ph indicators are supplied in plastic reels that ensure long term stability and protection against many external influences. The user will always get reliable readings. Combined with our iso 9001 quality control scheme this ensures optimal quality. The indicator paper will always be ready-to-use when needed.

 

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness 1000 Indi #ad

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness 1000 Indi…

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness 1000 Indi… #ad - The following values generally apply to these terms below 50 ppm caco3, very soft water. 240-360 ppm caco3, hard water. Water is often simply classified as “soft water”, or “hard water” etc. In the usa, it is expressed in terms of ppm (mg/l) caco3 or grains per gallon. Due to the clear design with green/red indication, a color chart is not necessary. The hardness of water depends on its content of calcium and magnesium salts. 120-240 ppm caco3, medium hard water. 8 ppm caco3 = 1 grain/gallon. Conversion factor 1 °d = 17. 50-120 ppm caco3, soft water. Above 360 ppm caco3, very hard water. Clear color changes from green to red ensure an accurate readout. Individually sealed aquadur test strips can perfectly be combined with promotion activities to inform customers about the necessity of water softeners. Instructions for use are printed on the seal. Aquadur are test strips for the determination of water hardness. The total sum of these salts determines the hardness of water.

 

SEOH Cuprotesmo Analytical Test Sheets for the Determination of Copper and Copper #ad

SEOH Cuprotesmo Analytical Test Sheets for the Determination of Copper and Copper …

SEOH Cuprotesmo Analytical Test Sheets for the Determination of Copper and Copper … #ad - The yellow-white paper turns pink to purple-red in the presence of copper or copper salts. Preference should be given to this test paper for the detection of copper and copper salts on surfaces and in ash, for the detection of pores in metallic coatings on copper containing materials, in criminal trace investigations (projectiles), and for the detection of copper-containing pesticides on fruit and vegetables. 05 ¦g cu on surfaces as metallic cu or cu salt, 3 û 5 mg/l cu ionsnote in addition to cuprotesmo we supply a copper test paper based on a different reaction. The test paper is specific for cu. Limit of sensitivity 0. It reacts with metallic copper as well as with cu + and cu 2+ ions.

 

SEOH pH-Fix 60-100 Analytical Test Strips Box 100 #ad

SEOH pH-Fix 6.0-10.0 Analytical Test Strips Box 100

SEOH pH-Fix 6.0-10.0 Analytical Test Strips Box 100 #ad - Four different color blocks for each ph-value (ph-fix 0-14) ensure highly precise ph-determination and make the application rapid and reliable. Unlike classic ph papers, ph-fix effectively protects the sample against contamination and enables measurements even in weakly buffered or strongly alkaline solutions. This allows a high standard of “workplace safety” when testing aggressive solutions. To prevent bleeding, the ph-indicator is chemically bound to the cellulose fiber. It adds handling convenience and increases safety of operation. The patented ph-fix technology stands for a high quality, color-fixed ph test strip system. The long handle prevents fingers from coming into contact with the sample. For many years chemists as well as inexperienced users have appreciated ph-fix’s optimal usability, reliability, and precision.

 

SEOH pH PEHANON 28-46 Analytical Test Strips Box 200 #ad

SEOH pH PEHANON 2.8-4.6 Analytical Test Strips Box 200

SEOH pH PEHANON 2.8-4.6 Analytical Test Strips Box 200 #ad - The handle will remain dry and clean whatever the sample is. Workers and machinists can use single strips instead of complete packs with color chart, which makes pehanon highly economic. Any sample color has the same effect on both, the reference colors and the reactive pad. Ph-values can be determined without a separate color chart. An invisible hydrophobic barrier just above the top color field prevents capillary action of the test solution beyond. This ensures unadulterated readings in colored solutions. Pehanon is a special ph-test strips that unifies the ph-indicator and the reference colors on one strip. The user can be sure to get accurate ph-values. Therefore the use of the strip is very safe.

 

Nalgene 145-2045 Polypropylene Analytical Test Filter Funnel with Gray Grid and Sterile 250mL Capacity 47mm Cellulose Nitrate Membrane Case of 50 #ad

Nalgene 145-2045 Polypropylene Analytical Test Filter Funnel with Gray Grid and Sterile, 250mL Capacity, 47mm Cellulose Nitrate Membrane (Case of 50)

Nalgene 145-2045 Polypropylene Analytical Test Filter Funnel with Gray Grid and Sterile, 250mL Capacity, 47mm Cellulose Nitrate Membrane (Case of 50) #ad - Membrane diameter 47mm pore size 045m membrane color white with gray grid. Use for microbiological analysis testing, food/beverages, raw material, sterility testing, and finished product quality. Material polypropylene upper with high-impact polystyrene collar and a cellulose nitrate (cn) membrane sterile and disposable. Cn membrane meets us environmental protection agency (epa) requirements for water quality work. Funnel capacity 250ml.

 

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness Box 100 #ad

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness Box 100

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness Box 100 #ad - Above 360 ppm caco3, very hard water. The total sum of these salts determines the hardness of water. Water is often simply classified as “soft water”, or “hard water” etc. Aquadur are test strips for the determination of water hardness. 240-360 ppm caco3, hard water. Clear color changes from green to red ensure an accurate readout. In the usa, it is expressed in terms of ppm (mg/l) caco3 or grains per gallon. Individually sealed aquadur test strips can perfectly be combined with promotion activities to inform customers about the necessity of water softeners. The hardness of water depends on its content of calcium and magnesium salts. 50-120 ppm caco3, soft water. Conversion factor 1 °d = 17. The following values generally apply to these terms below 50 ppm caco3, very soft water. 120-240 ppm caco3, medium hard water. Instructions for use are printed on the seal. Due to the clear design with green/red indication, a color chart is not necessary. 8 ppm caco3 = 1 grain/gallon.

 

SEOH pH-Fix 20-90 Analytical Test Strips Box 100 #ad

SEOH pH-Fix 2.0-9.0 Analytical Test Strips Box 100

SEOH pH-Fix 2.0-9.0 Analytical Test Strips Box 100 #ad - Four different color blocks for each ph-value (ph-fix 0-14) ensure highly precise ph-determination and make the application rapid and reliable. To prevent bleeding, the ph-indicator is chemically bound to the cellulose fiber. This allows a high standard of “workplace safety” when testing aggressive solutions. For many years chemists as well as inexperienced users have appreciated ph-fix’s optimal usability, reliability, and precision. The patented ph-fix technology stands for a high quality, color-fixed ph test strip system. It adds handling convenience and increases safety of operation. Unlike classic ph papers, ph-fix effectively protects the sample against contamination and enables measurements even in weakly buffered or strongly alkaline solutions. The long handle prevents fingers from coming into contact with the sample.

 

SEOH pH-Fix 45-100 Analytical Test Strips Box 100 #ad

SEOH pH-Fix 4.5-10.0 Analytical Test Strips Box 100

SEOH pH-Fix 4.5-10.0 Analytical Test Strips Box 100 #ad - Unlike classic ph papers, ph-fix effectively protects the sample against contamination and enables measurements even in weakly buffered or strongly alkaline solutions. This allows a high standard of “workplace safety” when testing aggressive solutions. The patented ph-fix technology stands for a high quality, color-fixed ph test strip system. It adds handling convenience and increases safety of operation. The long handle prevents fingers from coming into contact with the sample. For many years chemists as well as inexperienced users have appreciated ph-fix’s optimal usability, reliability, and precision. To prevent bleeding, the ph-indicator is chemically bound to the cellulose fiber. Four different color blocks for each ph-value (ph-fix 0-14) ensure highly precise ph-determination and make the application rapid and reliable.

 

Nalgene 145-0020 Analytical Test Filter Funnel 100mL Capacity 47mm Cellulose Nitrate CN Membrane 02 Microliter Pore Size Case of 50 #ad

Nalgene 145-0020 Analytical Test Filter Funnel, 100mL Capacity 47mm Cellulose Nitrate (CN) Membrane, 0.2 Microliter Pore Size (Case of 50)

Nalgene 145-0020 Analytical Test Filter Funnel, 100mL Capacity 47mm Cellulose Nitrate (CN) Membrane, 0.2 Microliter Pore Size (Case of 50) #ad - Cellulose nitrate (cn) membrane diameter 47mm pore size 02m membrane color white, non-gridded. Polypropylene upper with high-impact polystyrene collar capacity 100ml. Funnel adapter allows use with no 8 stoppers. Membranes meet us epa requirements for water quality work. Low-cost disposable, sterile filter funnel for microbiological analysis testing, food/beverages, raw material, sterility testing, and finished product quality.

 

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness Box 100 #ad

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness Box 100

SEOH Aquadur Analytical Test Strips for Determination of Water Hardeness Box 100 #ad - Clear color changes from green to red ensure an accurate readout. Instructions for use are printed on the seal. Above 360 ppm caco3, very hard water. Water is often simply classified as “soft water”, or “hard water” etc. 120-240 ppm caco3, medium hard water. Individually sealed aquadur test strips can perfectly be combined with promotion activities to inform customers about the necessity of water softeners. The following values generally apply to these terms below 50 ppm caco3, very soft water. 8 ppm caco3 = 1 grain/gallon. In the usa, it is expressed in terms of ppm (mg/l) caco3 or grains per gallon. The total sum of these salts determines the hardness of water. The hardness of water depends on its content of calcium and magnesium salts. 240-360 ppm caco3, hard water. Conversion factor 1 °d = 17. Aquadur are test strips for the determination of water hardness. 50-120 ppm caco3, soft water. Due to the clear design with green/red indication, a color chart is not necessary.

 

SEOH pH Analytical Test Paper 5 Meter Roll Dispenser 64-80 #ad

SEOH pH Analytical Test Paper 5 Meter Roll Dispenser 6.4-8.0

SEOH pH Analytical Test Paper 5 Meter Roll Dispenser 6.4-8.0 #ad - The colors of the color scales are specially mixed to perfectly match the reaction color of the indicator papers. The user will always get reliable readings. The characteristic features of ph indicator papers are ph indicators are supplied in plastic reels that ensure long term stability and protection against many external influences. The indicator paper will always be ready-to-use when needed. Combined with our iso 9001 quality control scheme this ensures optimal quality. 2-1. This makes the read-off of results easy and accurate. For each ph-value these papers show a single color which can be matched with the color scale at intervals of ph 0. Ph indicators are manufactured from high quality filter papers from macherey-nagel.

 

SEOH Analytical Test Sheets for Determination of Potassium #ad

SEOH Analytical Test Sheets for Determination of Potassium

SEOH Analytical Test Sheets for Determination of Potassium #ad - Excess of sodium and heavy metal ions reduce sensitivity. Rubidium, cesium and thallium(i) also produce orange-red color reactions. Limit of sensitivity 250 mg/l k +. Larger amounts of ammonium ions cause interfering discolorations. This test paper shows potassium as orange-red spots on a light yellow background. In the instructions for use, which are supplied with the paper, a special method is provided to circumvent any of these interferences.

 

SEOH Cyantesmo Analytical Test Paper for Determination of Hydrocyanic Acid and Cya #ad

SEOH Cyantesmo Analytical Test Paper for Determination of Hydrocyanic Acid and Cya…

SEOH Cyantesmo Analytical Test Paper for Determination of Hydrocyanic Acid and Cya… #ad - It does not react with alkaline cyanide solutions, but is very sensitive to cyanide solutions weakly acidified with sulphuric acid. Hexacyanoferrate(ii), hexacyanoferrate(iii), thiocyanate, thiosulphate and free chlorine interfere. In the presence of hcn, the pale green paper turns blue. This product contains harmful substances which must be specially labeled as hazardous. This item is for lab use only and we claim no liability for misuse of this product or any harm whatsoever that this product my cause. Cyantesmo is a test paper for the determination of hydrocyanic acid and cyanides in aqueous solutions and extracts. 2 mg/l hydrocyanic acid (hcn). For further information refer to the instructions for use supplied with the paper.   Not to be used by persons under 18 years of age and do reserve the right to refuse orders to residential address, even business addresses that we deem suspicious. Limit of sensitivity 0. Cyantesmo reacts intensively in the gas zone just above the level of the solution to be tested. For detailed information please see msds.   Thank you for understanding.

 

SEOH pH PEHANON 18-38 Analytical Test Strips Box 200 #ad

SEOH pH PEHANON 1.8-3.8 Analytical Test Strips Box 200

SEOH pH PEHANON 1.8-3.8 Analytical Test Strips Box 200 #ad - This ensures unadulterated readings in colored solutions. Workers and machinists can use single strips instead of complete packs with color chart, which makes pehanon highly economic. Therefore the use of the strip is very safe. The user can be sure to get accurate ph-values. The handle will remain dry and clean whatever the sample is. Ph-values can be determined without a separate color chart. An invisible hydrophobic barrier just above the top color field prevents capillary action of the test solution beyond. Pehanon is a special ph-test strips that unifies the ph-indicator and the reference colors on one strip. Any sample color has the same effect on both, the reference colors and the reactive pad.

 

SEOH Silver Chromate Analytical Test Sheets for Determination of ChloridesHalides #ad

SEOH Silver Chromate Analytical Test Sheets for Determination of Chlorides/Halides

SEOH Silver Chromate Analytical Test Sheets for Determination of Chlorides/Halides #ad - This product contains harmful substances which must be specially labeled as hazardous. This item is for lab use only and we claim no liability for misuse of this product or any harm whatsoever that this product my cause.   Thank you for understanding.   Not to be used by persons under 18 years of age and do reserve the right to refuse orders to residential address, even business addresses that we deem suspicious. For detailed information please see msds.





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