Supplier: VWR Chemicals

Kyselina dusičná 67%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

Kyselina sírová 93% ≥93%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

1,5-Difenylkarbazid ≥97.0% analytical reagent

Supplier: VWR Chemicals

Kyselina chlorovodíková 34%, NORMATOM® for trace metal analysis

Supplier: Merck

Chlorid vápenatý, Supelco®

Supplier: VWR Chemicals

Kyselina chlorovodíková 29 - 31%, NORMATOM® for trace metal analysis

Supplier: VWR Chemicals

Hg in HNO₃ 10%.

Supplier: Merck

Tetrahydroboritan sodný analytical reagent, Supelco®

Supplier: VWR Chemicals

Kyselina sírová 95% ≥95%, AnalaR NORMAPUR® analytical reagent, for trace analysis of cadmium, mercury and lead

Supplier: Merck

Silikagel, beads ~2 - 5 mm desiccant, Supelco®

Supplier: VWR Chemicals

Starting materials: Dithizone R / Chloroform R

Supplier: Merck

Chlorid hydroxylamonný ACS, ISO, Supelco®

Supplier: Merck

Kyselina dusičná 65%, EMSURE® ISO for analysis (max. 0.005 ppm Hg), Supelco®

Supplier: Merck

Dvojchroman draselný, EMSURE® ACS, ISO p.a. (max. 0.01 ppm Hg), Supelco®

Supplier: Merck

Manganistan draselný ≥99.0% (by manganometry), EMSURE® ACS p.a. (max. 0.05 ppm Hg), Supelco®

Supplier: VWR Chemicals

Standardy - rtuť, 1000 mg/l, VWR® ARISTAR®, Mercury, Matrice: 10% HNO₃, Aplikace: Stndardy ICP-MS

Supplier: Merck

Kyselina chlorovodíková 37%, EMSURE® for analysis (max. 0.001 ppm Hg), Supelco®

Supplier: Merck

Peroxodisíran draselný, EMSURE® ACS, Reag. Ph. Eur. p.a., Supelco®

Supplier: VWR Chemicals

Diethyldithiokarbamát sodný trihydrát ≥97% analytical reagent

Supplier: Merck

Kyselina sírová 95 - 97% 95-97%, EMSURE® Reag. Ph. Eur., ACS, ISO for analysis (max. 0.005 ppm Hg), Supelco®

Supplier: Merck

Chlorid cínatý dihydrát, EMSURE® p.a. (max. 0.01 ppm Hg), Supelco®

Supplier: Merck

EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. Merck declare the EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards.

Supplier: Merck

Chemizorb® Hg is an all-inclusive set of reagents and auxiliaries for the safe and complete removal of drops of mercury and of traces of elemental mercury.

Supplier: Merck

Desiccant suitable for desiccators to remove water, and for drying most gases and liquids (apart from strongly acidic and basic gases, organic solvents or alkaline liquids). The product contains iron salts as the indicator. Colour change is from orange to colourless at approx. 7/10 g adsorbed H₂O/100 g silica gel. Regeneration can be performed as often as required at 130 to 140 °C in a drying oven for approx. 3 hours.

Supplier: VWR Chemicals

Kyselina chromtropová dvojsodná sůl dihydrát ≥98.0% ACS, Reag. Ph. Eur. analytical reagent