Reagents and chemical products

Hydrochloric acid, volumetric solution 0.25 M (0.25 N) VSA

Read more

Quick View

Add to wishlist
Hydrochloric acid, volumetric solution 0.1 M (0.1 N) VSA

Read more

Quick View

Add to wishlist
Hydrochloric acid 34-37% TGR for trace analysis (ppb)

Read more

Quick View

Add to wishlist
Ethylenediaminetetraacetic acid (EDTA) disodium salt volumetric solution 0.1 M (0.2 N) VSA

Read more

Quick View

Add to wishlist
Acetic acid, volumetric solution 1 M (1 N) VSA

Read more

Quick View

Add to wishlist
Acetic acid, volumetric solution 0.1 M (0.1 N) VSA

Read more

Quick View

Add to wishlist
Potassium chromate solution 10% w/v IND
K₂CrO₄
Restriction: Autorización Reach
M.W: 194.21 CAS: 7789-00-6 EC: 232-140-5 TARIC: 28415000

UN: 3287 IMDG: 6.1 II UN 3287 ADR: 6.1 II UN 3287 (D/E) IATA: 6.1 II UN 3287

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Appearance Odourless orange liquid

pH 8 – 10

Density at 18°C 1.10g/ml

[/expand]
Read more
Quick View

Add to wishlist
Cyclohexane HPLC GGR
C₆H₁₂
M.W: 84,16   CAS: 110-82-7  EC: 203-806-2  TARIC: 29021100
EC INDEX: 601-017-00-1
UN: 1145  IMDG: 3 II UN 1145  ADR: 3 II UN 1145 (D/E)  IATA: 3 II UN 1145

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Assay ? 99.5%

Water (H₂O) by Karl – Fischer ? 0.01%

Acidity ? 0.0005meq/g

Residue on evaporation ? 0.0005%

UV transmission (1 cm, water) at 210 nm ? 60%

UV transmission (1 cm, water) at 220 nm ? 80%

UV transmission (1 cm, water) at 230 nm ? 95%

UV transmission (1 cm, water) at 240 nm ? 98%

UV transmission (1 cm, water) at 250 nm ? 99%

[/expand]
Read more
Quick View

Add to wishlist
Xylene (isomers ) GLR
C₆H₄(CH₃)₂
Dimethylbenzene, Xilol
M.W: 106.17 CAS: 1330-20-7 EC: 215-535-7 EC INDEX: 601-022-00-9
UN: 1307 IMDG: 3 III UN 1307 ADR: 3 III UN 1307 IATA: 3 III UN 1307

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Appearance Clear and colourless liquid

Benzene (C₆H₆) ? 0.01%

colour (Saybolt) ? 29

Sulfur (S) compounds Exempt

Density at 15 °C 0.865 – 0.875g/ml

Ethylbenzene ? 25%

Distillation range 137 – 143°C

Non-aromatic hydrocarbons ? 1%

[/expand]
Read more
Quick View

Add to wishlist
Xylene (isomers ) AGR ACS, ISO, Ph.Eur.
C₆H₄(CH₃)₂
Dimethylbenzene, Xilol
M.W: 106.17 CAS: 1330-20-7 EC: 215-535-7 EC INDEX: 601-022-00-9
UN: 1307 IMDG: 3 III UN 1307 ADR: 3 III UN 1307 IATA: 3 III UN 1307

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Assay ? 99%

Non-volatile matter ? 0.001%

Iron (Fe) ? 0.00001%

Water (H₂O) ? 0.01%

Free acidity ? 0.0005%

Free Alkalinity ? 0.0005%

Copper (Cu) ? 0.000002%

Aluminum (Al) ? 0.00005%

Boron (B) ? 0.000002%

Barium (Ba) ? 0.00001%

Calcium (Ca) ? 0.00005%

Cobalt (Co) ? 0.000002%

Cadmium (Cd) ? 0.000002%

Chromium (Cr) ? 0.000002%

Magnesium (Mg) ? 0.00001%

Manganese (Mn) ? 0.000002%

Nickel (Ni) ? 0.000002%

Lead (Pb) ? 0.00001%

Tin (Sn) ? 0.00001%

Zinc (Zn) ? 0.00001%

Benzene (C₆H₆) ? 0.1%

Sulfur (S) ? 0.003%

Thiophene (C₄H₄S) ? 0.0001%

Toluene (C₆H₅CH₃) ? 0.1%

[/expand]
Read more
Quick View

Add to wishlist
Rappaport soy broth according Vassiliadis BAC Ph. Eur.
[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Appearance Blue

pH (25°C) 5.0 – 5.4

Concentration of use 26.75g/L

Storage temperature 2 – 25°C

[/expand]
Read more
Quick View

Add to wishlist
Sulfuric acid 95% (nitrogen-free) AGR
H₂SO₄
M.W: 98.08 CAS: 7664-93-9 EC: 231-639-5 TARIC: 28070000

UN: 1830 IMDG: 8 II UN 1830 ADR: 8 II UN 1830 (E) IATA: 8 II UN 1830 H: H314;H318

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Assay ? 95%

Density at 20°C approx 1.83g/ml

Residue on roasting ? 0.001%

Substances reducing KMnO₄ ? 0.0003%

Total Nitrogen Not detected

Chlorides (Cl) ? 0.0001%

Heavy metals (Pb) ? 0.0002%

Aluminum (Al) ? 0.0001%

Arsenic (As) ? 0.000005%

Barium (Ba) ? 0.00005%

Calcium (Ca) ? 0.00005%

Cadmium (Cd) ? 0.00005%

Cobalt (Co) ? 0.00005%

Chromium (Cr) ? 0.00005%

Copper (Cu) ? 0.00005%

Iron (Fe) ? 0.0001%

Magnesium (Mg) ? 0.00005%

Manganese (Mn) ? 0.00005%

Nickel (Ni) ? 0.00005%

Lead (Pb) ? 0.0002%

Selenium (Se) ? 0.0003%

Strontium (Sr) ? 0.00005%

Zinc (Zn) ? 0.00005%

[/expand]
Read more
Quick View

Add to wishlist
n-Heptane (isomers) GLR
C₇H₁₆
M.W: 100.21 EC: 927-510-4
UN: 1206 IMDG: 3 II UN 1206 ADR: 3 II UN 1206 (D/E) IATA: 3 II UN 1206

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Appearance Clear colourless liquid

colour (Saybolt) ? 30

Density at 15 °C 0.69 – 0.698g/ml

Boiling range 90 – 100°C

Assay (V/V) ? 95%

Aromatic compounds (v/v) ? 0.005%

Benzene (C₆H₆) ? 0.001%

Sulfur (S) ? 0.0001%

Cu corrosion (ASTM D130) ? 1

[/expand]
Read more
Quick View

Add to wishlist
n-Heptane 99% HPLC GGR
C₇H₁₆
M.W: 100.21  CAS: 142-82-5  EC: 921-510-4  TARIC: 29011000
EC INDEX: 601-008-00-2
UN: 1206  IMDG: 3 II UN 1206  ADR: 3 II UN 1206 (D/E)  IATA: 3 II UN 1206

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Assay ? 99.0%

Water (H₂O) by Karl – Fischer ? 0.02%

Colour (Hazen) ? 10

Acidity ? 0.0005meq/

Residue on evaporation ? 0.0005%

Maximum UV Absorbance at 197 mm ? 1.00

Maximum UV Absorbance at 200 mm ? 0.75

Maximum UV Absorbance at 215 mm ? 0.20

Maximum UV Absorbance at 254 mm ? 0.014

[/expand]
Read more
Quick View

Add to wishlist
n-Heptane 95% Pesticide Grade PGR
C₇H₁₆
M.W: 100.21 CAS: 142-82-5 EC: 921-510-4 EC INDEX: 601-008-00-2
UN: 1206 IMDG: 3 II UN 1206 ADR: 3 II UN 1206 (D/E) IATA: 3 II UN 1206

[expand title=”SHOW SPECIFICATIONS” tag=”h6″]

Sterilization cycle 550 – 0

Assay ? 95.0%

Assay (V/V) ? 96%

Minimum calorimetry dose 15 – 18.8kGy

Appearance Conforms

Assay (dried substance) ? 99.0%

Clarity of solution Passes test

Density 0.789 – 0.791g/ml

Density at 20°C 0.844 – 0.854g/cm 3

Free acidity ? 0.04meq/g

Sodium carbonate (Na₂CO₃) ? 0.5%

Substances not precipited by diluted H₂SO₄ ? 0.1%

Water (H₂O) by Karl – Fischer ? 0.02%

Colour (Hazen) ? 10

Composition 70% isopropyl alcohol, water%

Iron (Fe) ? 0.01%

Identification A Conforms

Substances insoluble in water (H₂O) ? 0.003%

Odour alcohol

Min. dose ? 25kGy

Boiling point ? 78ºC

Acidity ? 0.0010%

Appearance of solution Clear and colourness

Chloride (Cl^–) ? 0.0001%

Silver (Ag) ? 63.4%

Solubility in water (H₂O) Completely soluble

Solubility in water (H₂O) (20°C) Totally soluble

Sodium sulfate (Na₂SO₄) ? 0.012%

Aldehydes ? 0.001%

Arsenic (As) ? 0.0001%

Residue on roasting (SO₄) ? 0.05%

Flash point ? 21

pH 3.8 – 6

pH (10%; water) 3 – 5

Residue on evaporation ? 0.0005%

Chlorate (ClO₃^–) and Perchlorate (ClO₄^–) (Cl) ? 0.006%

Copper (Cu) ? 0.0001%

Water (H₂O) ? 0.05%

Methanol (CH₃OH) ? 0.001%

Manganese (Mn) ? 0.00005%

Sodium chloride (NaCl) ? 0.01%

Ammonium (NH₄) ? 0.2%

Mercury (Hg) ? 0.00001%

Phosphate (PO₄) ? 0.002%

Residue on ignition ? 0.05%

Heavy metals (Pb) ? 0.002%

Nickel (Ni) ? 0.001%

Sulfates (SO₄) ? 0.01%

Absence of benzene passes test

Esters ? 0.0020%

Organic substances passes test

Loss on drying ? 0.2%

Calcium (Ca) ? 0.004%

Higher alcohols ? 0.025%

Iron III (Fe (III)) ? 0.001%

Nitrites (NO₂) ? 0.0002%

UV-Absorbance Maximum limit (240 nm) ? 0.4

Magnesium (Mg) ? 0.003%

Lead (Pb) ? 0.0002%

UV-Absorbance Maximum limit (240 nm) ? 0.4

UV-Absorbance Maximum limit (250-260 nm) ? 0.3

UV-Absorbance Maximum limit (270-340 nm) ? 0.1

Substances not precipited by HCl ? 0.01%

[/expand]
Read more
Quick View

Add to wishlist