Physicochemical Standards

N4 Nominal Kinematic Viscosity, Dynamic Viscosity and Density Standard

0.5 mg/l C from USP 1,4- Benzoquinone Total Organic Carbon (TOC) Standard for Horiba Analyser

VOC Standard 4 Compound Mix 100µg/ml in Purge & Trap Methanol

Ion Selective Electrode Standard Ammonia 1000ppm as N

Hydrochloric Acid 10% v/v

VOC Standard 1,3-Butadiene 2,000µg/ml in Purge and Trap Methanol

PAH Single Component Standard Benzo[a]chrysene 100µg/ml in Toluene

Turbidity Standard Non Ratio 1 NTU

TA Indicator - Phenolphthalein Free

Ethanol Density Standard 16% v/v Ethanol/Water - nominal density 0.97787g/ml

ICP Standard Silicon 1000µg/ml in 2-5% HNO3, tr. HF

Pesticide Standard Captafol in 1000µg/ml in Acetone

pH Buffer Solution pH 5.00 ± 0.01 @20°C

ICP Standard Osmium 100µg/ml in H2O

Analytical Volumetric Solution Sulphuric Acid 5.0M (10.0N)

Aroclor Standard - Aroclor 1262, 200ug/ml in high purity Hexane

Analytical Volumetric Solution Potassium Chloride 0.5M (0.5N)

Analytical Volumetric Solution Hydrochloric Acid (0.31N) 0.31M

ICP Standard Iron 1000µg/ml in 2-5% HNO3 (v/v)

Electrode filling Solution 4M Potassium Chloride (KCI), free from Silver ion

Reagecon Pesticide Single Compound Standard Ethylmercuric Chloride 100 µg/mL in Methanol

Chinese Pharmacopoeia Reagent Coloration - Primary Solution Red

Pesticide Mixed Standard 7 Compound mix 200µg/ml in Purge and Trap Methanol

Pesticide Standard Terbacil Neat

VOC Standard 1-Propanol 1000µg/ml in Purge & Trap Methanol

Pesticide Standard Coumaphos in 2000µg/ml in Acetone

USP Solution Bromothymol Blue TS Conforms to USP

European Pharmacopoeia Reagent Ninhydrin Solution

pH Buffer Solution pH 12.00 ± 0.05 @25°C twin neck format

Reagecon Volatile Organic Compound (VOC) Standard (15 Compound Mix) in Acetonitrile

Dye Solution A

Reagecon Pesticide Single Compound Internal Standard Atrazine 1000 µg/mL in Methanol

PBB Standard 2,2',3,3',4,4',5,5',6-Nonabromobiphenyl (PBB-206), 50µg/mL in isooctane

ICP Multi Element (6) Standard, in 2% HNO3: Al, As, Cd, Cu, Fe, Pb at 100ppm each

Analytical Volumetric Solution Sodium Nitrite 1M (1.0N)

Ion Chromatography Anion Standard Chloride 500mg/L in H2O

VOC Standard Pyridine 2000µg/ml in Purge & Trap Methanol

ICP Standard Aluminium 10000µg/ml in 5% HCl (v/v)

Analytical Volumetric Solution Potassium Chloride 0.01N

Phenol Mixed Standard 11 Compound Mix, 1000µg/ml in Methylene Chloride

25 ppm Non Purgeable Organic Carbon Mixed (NPOC) Standard for Elementar Analyser

ICP Standard Platinum 100µg/ml in 5% HCl (v/v)

Ion Chromatography Cation Standard Sodium 1000ppm in 0.005% HNO3

Sodium Persulphate 10% + 1ml/l Phosphoric Acid

ICP Standard Barium 1000µg/ml in 2% HCl (v/v)

Pesticide Standard Metribuzin in 1000ug/ml in Purge & Trap Methanol

FAEE Standard Ethyl laurate, Neat

European Pharmacopoeia Reagent 0.1M Lead Nitrate

Analytical Volumetric Solution Sodium Hydroxide 1.666M (1.666N)

ICP Standard Silicon 1000µg/ml in 2-5% HNO3, tr. HF

Non Aqueous Titrant Silver Nitrate 0.01M (0.01N) in Methanol

Reagecon Pesticide Standard (23 Compound Mix) in Acetone:Hexane

Reagecon Ion Chromatography (IC) Multi Element Anion Standard (5 Elements) in Water (H₂O)

Monophthalate ester (metabolite) Standard - Mono-iso-butyl phthalate, 1000µg/ml in Isooctane

Reagecon Sulphuric Acid 2.0M (4.0N) Analytical Volumetric Solution (AVL)

European Pharmacopoeia Conductivity & Resistivity 133 µs/cm @20°C

ASTM Colour Standard A3

FAME Standard Methyltetradecanoate (Myristate) C14:0, Neat

VOC Standard Chloroprene 1000µg/ml in Purge & Trap Methanol

Diphthalate Ester Standard - Dimethyl phthalate, neat

pH Buffer Solution pH 1.07 ± 0.05 @25°C - Clear (for use with Antimony or equivalent electrodes)

FAME Standard Methyl cis-15-tetracosenoate (Nervonate) C24:1, Neat

European Pharmacopoeia Reagent Ninhydrin Solution R2

Indicator Phenolphthalein Alcoholic Solution 0.5%

pH Buffer Solution pH 1.675 ± 0.01 @20°C (Bag In Box)

Pesticide Standard Patulin 100µg/ml in Chloroform

ICP Standard Terbium 1000µg/ml in 2-5% HNO3 (v/v)

Combined Acid Buffer

ICP Standard Selenium 10µg/ml in 1% HCl

FAEE Standard Ethyl stearate, 10mg/ml in Hexane

Pesticide Standard Isophorone in 1000µg/ml in Purge & Trap Methanol

ICP Multi Element Verification Standard, 21 Elements acc. to Test Method 200.7, Ag, As, B, Ba, Be, Ca, Cd, Ce, Co, Cr, Cu, Mg, Mn, Ni, Pb, Se, Sr, Tl, V @20ppm and K, P @500ppm in 5% HNO3

pH Buffer Solution pH 7.00 ± 0.01 @25°C (Yellow) (Mercury Free)

pH Buffer Solution pH10.00 (Blue) ±0.01 @25°C (Twin neck Format)

Reagecon Volatile Organic Compound (VOC) Standard (56 Compound Mix) in Purge & Trap Methanol

European Pharmacopoeia Reagent Congo Red Solution

USP Solution Bromocresol Purple TS Conforms to USP

Phosphate Buffer

Pesticide Standard Disulfoton Sulfone in 1000ug/ml in Acetone

VOC Standard Bromomethane 1000µg/ml in Purge & Trap Methanol

Reagecon ICP, ICP-MS Multi Element Standard (6 Elements) in 2-5% Hydrochloric Acid (HCl)

Water hardness Standard 500ppm

Conductivity Standard 1,000 µS/cm @25°C

ICP Standard Phosphorus 1000µg/ml in H2O

Ion Chromatography Cation Standard Rubidium 100ppm in 0.005% HNO3

ICP Standard Beryllium 1000µg/ml in 2-5% HNO3 (v/v)

PCB Single Element Congener 3,3',4,4'-Tetrachlorobiphenyl (PCB-77), 100µg/mL in Isooctane

N44 Nominal Kinematic Viscosity, Dynamic Viscosity and Density Standard

USP Solution Methyl Orange Indicator Conforms to USP

Density Premium Standard 0.7683g/ml @20°C

ICP Standard Cadmium 10000µg/ml in 2-5% HNO3 (v/v)

IPA 70% IPA/30% H2O Solution - Trigger Spray 1L bottle

Density Premium Standard 1.2408g/ml @40°C

European Pharmacopoeia Reagent Bromophenol blue Solution

Reagecon Volatile Organic Compound (VOC) Standard (37 Compound Mix) in Methanol

ICP Multi Element Interference Standard, 15 Elements acc. to Test Method 200.7 in 2-5% HNO3: Ag, Ba, Cd, Co, Cr, Cu, Ni, V @300ppm, As, Pb, Tl @1000ppm, Be @100ppm, , K @20000ppm, Mn @200ppm, Se @500ppm

pH Buffer Solution pH9.00 ±0.01 @25°C twin neck format

Indicator Phenol Red 0.5% (w/v) Aqueous Solution

Dissolution Media - Ready to Use (acc. EP) - Acetate Buffer pH 5.5

pH Buffer Solution pH 1.07 ± 0.05 @25°C - Clear (for use with Antimony or equivalent electrodes)