Certified Reference Materials (CRMs)

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08267 Acrylamide certified reference material, TraceCERT®
1.09967 Aluminium standard 1000 mg Al, (AlCl₃ in H₂O) Titrisol®
1.25027 Ammonium Standard Solution, CRM traceable to SRM from NIST 50.0 mg/l NH₄-N in H₂O
1.25022 Ammonium Standard Solution, CRM traceable to SRM from NIST 0.400 mg/l NH₄-N in H₂O
1.25023 Ammonium Standard Solution, CRM traceable to SRM from NIST 1.00 mg/l NH₄-N in H₂O
1.25025 Ammonium Standard Solution, CRM traceable to SRM from NIST 6.00 mg/l NH₄-N in H₂O
1.25026 Ammonium Standard Solution, CRM traceable to SRM from NIST 12.0 mg/l NH₄-N in H₂O
1.25024 Ammonium Standard Solution, CRM traceable to SRM from NIST 2.00 mg/l NH₄-N in H₂O
1.09939 Arsenic standard 1000 mg As, (As₂O₅ in H₂O) Titrisol®
1.09968 Barium standard 1000 mg Ba, (BaCl₂ in 7% HCl) Titrisol®
1.01748 Barium sulfate for white standard DIN 5033
75451 Benz[a]anthracene certified reference material, TraceCERT®
BCR271 Benz[a]anthracene BCR® certified Reference Material
30958 Benzo[b]fluoranthene certified reference material, TraceCERT®
BCR048R Benzo[k]fluoranthene BCR® certified Reference Material
1.02401 Benzoic acid volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP
BCR050 Benzo[e]pyrene BCR® certified Reference Material
67261 Bis(2-ethylhexyl) phthalate certified reference material, TraceCERT®
1.09890 Buffer concentrate (boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 10.00 ± 0.05 (20°C) Titrisol®
1.09880 Buffer concentrate (boric acid/potassium chloride/sodium hydroxide), traceable to SRM of NIST and PTB for 500 ml buffer solution, pH 11.00 ± 0.05 (20°C) Titrisol®
1.09460 Buffer solution (boric acid/sodium hydroxide/hydrogen chloride), traceable to SRM from NIST and PTB pH 8.00 (20°C) Certipur®
1.99050 Buffer solution (boric acid/potassium chloride/sodium hydroxide) colour coded: blue, traceable to NIST and PTB pH 10.00 (25°C) Certipur®
1.99091 Buffer solution (di-sodium tetraborate)traceable to SRM from NIST and PTB pH 9.18 (25°C) Certipur®
1.99068 Buffer solution (Potassium dihydrogen phosphate,di-sodium hydrogen phophate) traceable to SRM from NIST and PTB pH 6.86(25°C) Certipur®
1.99015 Buffer solution (Potassium tetraoxalate) traceable to SRM from NIST and PTB pH 1.68 (25°C) Certipur®
1.09400 Buffer Solution (boric acid/potassium chloride/sodium hydroxide) colour coded: yellow, tracable to NIST and PTB pH 10.00 (20°C) Certipur®
1.99016 Buffer Solution (citric acid/sodium hydroxide), traceable to SRM from NIST and PTB pH 6.00 (25°C) Certipur®
1.09960 Cadmium standard 1000 mg Cd, (CdCl₂ in H₂O) Titrisol®
1.09943 Calcium standard 1000 mg Ca, (CaCl₂ in 6.5% HCl) Titrisol®
1.15053 Calcium standard dissolved in oil 1 g/kg Ca Certipur®
1.07200 Certified sec. standard reference buffer solution potassium hydrogen phthalatedirectly traceable to primary SRM from NIST/PTB pH (S) = 4.00₅ (25°C) Certipur®
1.07281 Cesium chloride solution for atomic spectroscopy 20 g/l
1.09948 Chromium standard 1000 mg Cr, (CrCl₃ in 4.2% HCl) Titrisol®
94035 Chrysene certified reference material, TraceCERT®
BCR269 Chrysene BCR® certified Reference Material
1.70313 Cobalt ICP standard traceable to SRM from NIST Co(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Co Certipur®
1.09986 Cobalt standard 1000 mg Co, (CoCl₂ in H₂O) Titrisol®
1.15061 Cobalt standard dissolved in oil 1 g/kg Co Certipur®
1.25032 COD Standard Solution, CRM traceable to SRM from NIST 1000 mg/l in H₂O
1.25029 COD Standard Solution, CRM traceable to SRM from NIST 100 mg/l in H₂O
1.25030 COD Standard Solution, CRM traceable to SRM from NIST 200 mg/l in H₂O
1.25033 COD Standard Solution, CRM traceable to SRM from NIST 2000 mg/l in H₂O
1.25028 COD Standard Solution, CRM traceable to SRM from NIST 20.0 mg/l in H₂O
1.25031 COD Standard Solution, CRM traceable to SRM from NIST 400 mg/l in H₂O
1.25034 COD Standard Solution, CRM traceable to SRM from NIST 8000 mg/l in H₂O
1.25035 COD Standard Solution, CRM traceable to SRM from NIST 50000 mg/l in H₂O
1.09987 Copper standard 1000 mg Cu, (CuCl₂ in H₂O) Titrisol®
91861 Dibenz[a,h]anthracene certified reference material, TraceCERT®
BCR138 Dibenz[a,h]anthracene BCR® certified Reference Material
18281 Dibutyl phthalate certified reference material, TraceCERT®
1.02407 di-Sodium oxalate volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. USP
1.14724 Empty cells 16 mm with screw caps Spectroquant®
01913 2-Ethoxyethyl acetate certified reference material, TraceCERT®
1.09500 GF AAS Multi element standard XVIII (16 elements in diluted nitric acid) Certipur®
1.70321 Gold ICP standard traceable to SRM from NIST H(AuCl₄) in HCl 7% 1000 mg/l Au Certipur®
1.09868 Gold standard for 1000 mg Au, [H(AuCl₄) 3H₂O in 12.7% HCl] Titrisol®
1.70216 Gold standard solution traceable to SRM from NIST H(AuCl₄) in HCl 2 mol/l 1000 mg/l Au Certipur®
1.10580 ICP multi-element standard solution VI for ICP-MS (30 elements in dilute nitric acid) Certipur®
1.09480 ICP multi-element standard solution XIII (15 elements in diluted nitric acid) Certipur®
1.09410 ICP Multi element standard solution XXIII for mass calibration Certipur®
1.02402 Iron(II) ethylenediammonium sulfate Volumetric standard, secondary reference material for redox titration, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur
1.09972 Iron standard 1000 mg Fe, (FeCl₃ in 15% HCl) Titrisol®
1.10982 Lanthanum(III) oxide for atomic absorption spectroscopy
1.70328 Lead ICP standard traceable to SRM from NIST Pb(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Pb Certipur®
1.70372 Lead ICP standard traceable to SRM from NIST Pb(NO₃)₂ in HNO₃ 2-3% 10000 mg/l Pb Certipur®
1.09969 Lead standard 1000 mg Pb, (Pb(NO₃)₂ in H₂O) Titrisol®
1.09934 Lithium standard 1000 mg Li, (LiCl in H₂O) Titrisol®
1.70330 Lutetium ICP standard traceable to SRM from NIST Lu₂O₃ in HNO₃ 2-3% 1000 mg/l Lu Certipur®
1.05813 Magnesium matrix modifier for graphite furnace AAS c(Mg) = 10.0 ± 0.2 g/l (Mg(NO₃)₂ * 6 H₂O in HNO₃ ca. 17%)
1.09949 Magnesium standard 1000 mg Mg, (MgCl₂ in 6% HCl) Titrisol®
1.09988 Manganese standard 1000 mg Mn, (MnCl₂ in H₂O) Titrisol®
1.08623 Mercury ICP standard traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2-3% 10 mg/l Hg Certipur®
1.70384 Mercury ICP standard traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 10% 10000 mg/l Hg Certipur®
1.70333 Mercury ICP standard traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 10% 1000 mg/l Hg Certipur®
1.70226 Mercury standard solution traceable to SRM from NIST Hg(NO₃)₂ in HNO₃ 2 mol/l 1000 mg/l Hg Certipur®
1.09926 Molybdenum standard 1000 mg Mo, [(NH₄)₆Mo₇O₂₄ 4H₂O in 0.7% NH₄OH] Titrisol®
1.15075 Multi-element standard I dissolved in oil
1.09469 Multi-element standard II dissolved in oil 100 ppm: Ag, Al, B, Ba, Ca, Cd, Cr, Cu, Fe, Mg, Mn, Mo, Na, Ni, P, Pb, Si, Sn, Ti, V, Zn Certipur®
1.09479 Multi-element standard III dissolved in oil 900 ppm: Ag, Al, B, Ba, Ca, Cd, Cr, Cu, Fe, Mg, Mn, Mo, Na, Ni, P, Pb, Si, Sn, Ti, V, Zn Certipur®
1.70336 Nickel ICP standard traceable to SRM from NIST Ni(NO₃)₂ in HNO₃ 2-3% 1000 mg/l Ni Certipur®
1.09989 Nickel standard 1000 mg Ni, (NiCl₂ in H₂O) Titrisol®
1.25037 Nitrate Standard Solution, CRM traceable to SRM from NIST 2.50 mg/l NO₃-N in H₂O
1.25038 Nitrate Standard Solution, CRM traceable to SRM from NIST 15.0 mg/l NO₃-N in H₂O
1.25040 Nitrate Standard Solution, CRM traceable to SRM from NIST 200 mg/l NO₃-N in H₂O
1.25039 Nitrate Standard Solution, CRM traceable to SRM from NIST 40.0 mg/l NO₃-N in H₂O
1.25036 Nitrate Standard Solution, CRM traceable to SRM from NIST 0.50 mg/l NO₃-N in H₂O
1.25041 Nitrite Standard Solution, CRM traceable to SRM from NIST 0.200 mg/l NO₂-N in H₂O
1.25042 Nitrite Standard Solution, CRM traceable to SRM from NIST 40.0 mg/l NO₂-N in H₂O
1.25045 Nitrogen (total) Standard Solution, CRM traceable to SRM from NIST 100 mg/l N in H₂O
1.25044 Nitrogen (total) Standard Solution, CRM traceable to SRM from NIST 12.0 mg/l N in H₂O
1.25043 Nitrogen (total) Standard Solution, CRM traceable to SRM from NIST 2.50 mg/l N in H₂O
BCR307 2-Nitronaphthalene BCR® certified Reference Material
1.07289 Palladium matrix modifier for graphite furnace AAS c(Pd) = 10.0 ± 0.2 g/l (Pd(NO₃)₂ / HNO₃ ca. 15%)
80184 Phenylbutazone certified reference material, TraceCERT®
1.07290 Phosphate modifier for graphite furnace AAS NH₄H₂PO₄ 100 ± 2 g/l in H₂O
1.15072 Phosphorus standard dissolved in oil 1 g/kg P Certipur®
1.25047 Phosphorus (total) Standard Solution, CRM traceable to SRM from NIST 4.00 mg/l PO₄-P (total) in H₂O
1.25048 Phosphorus (total) Standard Solution, CRM traceable to SRM from NIST 15.0 mg/l PO₄-P (total) in H₂O
1.25046 Phosphorus (total) Standard Solution, CRM traceable to SRM from NIST 0.400 mg/l PO₄-P (total) in H₂O
1.00246 Platinum Cobalt Color Reference Solution (HAZEN 500) According to DIN EN ISO 7887 and ASTM D1209 Pt 500 mg/l Certipur®
1.70341 Platinum ICP standard traceable to SRM from NIST H₂PtCl₆ in HCl 7% 1000 mg/l Pt Certipur®
1.01255 Potassium chloride solution (nominal 111 mS/cm) certified reference material for the measurement of electrolytic conductivity (c=1.0 mol/l) Certipur®
1.02403 Potassium dichromate volumetric standard, secondary reference material for redox titration, traceable to NIST SRM Certipur® Reag. USP
1.01960 Potassium dihydrogen phosphate/ di-sodium hydrogen phosphate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=6.86₅ /pH(S)=7.41₃ (25°C) Certipur®
1.02400 Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP
1.02404 Potassium iodate volumetric standard, secondary reference material for iodometry, traceable to NIST SRM Certipur®
1.09924 Potassium standard 1000 mg K, (KCl in H₂O) Titrisol®
1.15054 Potassium standard dissolved in oil 1 g/kg K Certipur®
1.00272 2-Propanol standard for the analysis of tobacco
1.08962 Refractive index standard kit 1 2,2,4-Trimethyl-pentane/water, traceable to SRM from NIST and PTB n (20°C)=1,3915 Certipur®
1.08961 Refractive index standard kit 2 Toluene/water, traceable to SRM from NIST and PTB n (20°C)=1,4969 Certipur®
1.08963 Refractive index standard kit 3 1-Methyl-naphthalene/water, traceable to SRM from NIST and PTB n (20°C)=1,6160 Certipur®
08010 Safrole certified reference material, TraceCERT®
1.09915 Selenium standard 1000 mg Se, (SeO₂ in HNO₃) Titrisol®
1.09947 Silicon standard 1000 mg Si, (SiCl₄ in 14% NaOH) Titrisol®
1.09906 Silver standard 1000 mg Ag, (AgNO₃ in HNO₃ 5%) Titrisol®
1.06371 Sodium borohydride for analysis
1.02406 Sodium chloride volumetric standard, secondary reference material for argentometry, traceable to NIST SRM Certipur® Reag. Ph Eur,Reag. USP
1.09927 Sodium standard 1000 mg Na, (NaCl in H₂O) Titrisol®
1.15058 Sodium standard dissolved in oil 1 g/kg Na Certipur®
1.13898 Standard oil for atomic absorption spectroscopy
1.09993 Strontium standard 1000 mg Sr, (SrCl₂ in 7% HCl) Titrisol®
1.25050 Sulfate Standard Solution, CRM traceable to SRM from NIST 40 mg/l SO₄ in H₂O
1.25051 Sulfate Standard Solution, CRM traceable to SRM from NIST 125 mg/l SO₄ in H₂O
1.25053 Sulfate Standard Solution, CRM traceable to SRM from NIST 800 mg/l SO₄ in H₂O
1.25052 Sulfate Standard Solution, CRM traceable to SRM from NIST 400 mg/l SO₄ in H₂O
1.16770 TISAB-III solution for fluoride determination
1.09829 Titanium standard 1000 mg Ti, (NH₄)₂TiF₆ in H₂O Titrisol®
1.09017 TOC standard solution acc. to EN 1484-H3/DIN 38409-H3 as potassium hydrogen phthalate in water, stabilized 1000 mg/l Certipur®
1.02408 Tris(hydroxymethyl)aminomethane volumetric standard, secondary reference material for acidimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP
1.09994 Vanadium standard 1000 mg V, (VOSO₄ in 8.6% H₂SO₄) Titrisol®
1.02409 Zinc volumetric standard, secondary reference material for complexometry, traceable to NIST SRM Certipur® Reag. Ph Eur
1.09953 Zinc standard 1000 mg Zn, (ZnCl₂ in 0.06% HCl) Titrisol®