Standard reference materials and buffer solutions, CertiPUR®, Supelco®

Potassium hydrogen phthalate, 4,005 (25°C), Plastic bottle, 5×100 ml, 5

1.07200.0105

: Merck

1.07200.0105

: Merck

195,00 €

Materials for the precise calibration and monitoring of pH instruments.

Traceable to NIST primary standard and PTB
Maximum deviation ±0,003 pH units
Measured in an independent accredited calibration laboratory for the pH value measurement (DKD-K-14301)

Certipur

MERC1.07203.0105_TDS_EN

Pack type:
Plastic bottle
Pk:
5
Description:
Potassium hydrogen phthalate
Pk Info:
5×100 ml
pH value:
4,005 (25°C)
Cat. No.:
1.07200.0105
M-Clarity quality level:
MQ300

Potassium dihydrogen phosphate 99.5-100.5%, AnalaR NORMAPUR® Reag. Ph. Eur. analytical reagent

#: 26936.320

: VWR Chemicals

Disodium hydrogen phosphate dihydrate ≥99.5%, AnalaR NORMAPUR® analytical reagent

#: 28029.320

: VWR Chemicals

Sulphuric acid 95.0-98.0% (by alkalimetry), EMPROVE® ESSENTIAL Ph. Eur., BP, JPE, NF, SAFC®

#: 1.00713.2500

: MERCK PRODUCTION CHEMICALS

N,N-Diethyl-p-phenylenediammonium sulphate 99%

#: ACRO395000010

: Thermo Fisher Scientific

Tetraoctylammonium nitrate ≥99.0%, Selectophore™ ionophore, Supelco®

#: 87983-500MG

: Merck

2-Mercaptopyridine-N-oxide sodium salt 40% in aqueous solution

#: A16922.AP

: Thermo Fisher Scientific

Rhodamine WT 20% in water

#: ACRO446971000

: Thermo Fisher Scientific

Flangeless fittings for ¹/₁₆" Ø tubing, Upchurch Scientific®

#: UPCHXP-286

: UPCHURCH SCIENTIFIC

tri-Sodium citrate dihydrate 99.0-101.0%, AnalaR NORMAPUR® ACS, Reag. Ph. Eur. analytical reagent

#: 27833.294

: VWR Chemicals

Formic acid 98% ≥98%, BAKER ANALYZED®, Laboratory Reagent, J.T.Baker®

#: 6037.1000

: Avantor

Hydrochloric acid 25%, EMPROVE® ESSENTIAL Ph. Helv., SAFC®

#: 1.00312.9025

: MERCK PRODUCTION CHEMICALS

Reagents for chlorine determination using Lovibond® MD photometers

#: LOVI471026

: Lovibond

Avantor® ACE® C18, HPLC Columns, 5 µm

#: ACE-121-2504

: Avantor

Kjeldahl tablets, Kjeltabs

#: 705-0518

: THOMPSON & CAPPER

Cleansers, liquid concentrates and powders, for use with washing machines, AP series, Extran®, Supelco®

#: 1.07559.9010

: Merck

Accessories for compact automatic extraction units, Soxtherm

#: 701-0258

: GERHARDT

Reagents for Kjeldahl digestion

#: 1.07913.0500

: Merck

Thiodiglycol ≥99%, TECHNICAL

#: 28620.182

: VWR Chemicals

HPLC columns, LiChrospher®

#: 1.50995.0001

: Merck

Sand (sea sand), extra pure, Supelco®

#: 1.07711.5000

: Merck

meta-Phosphoric acid, lumps, AnalaR NORMAPUR® analytical reagent

#: 20632.293

: VWR Chemicals