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KN95 Respirator Mask, 4 layers, Box of 50 -LP-KN95-001BOX50
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Harley N95 NIOSH Certified Particulate Respirator Mask, Folder Style 20/Box - L-188
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Lab Pro Mask KN95 (K-N95) Pack of 50 - LP-MASK2-K95 - 40% OFF
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Lab Pro 3ply Earloop Disposable Mask (Non-Surgical) (Box of 50) - 84% OFF
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Whether you're determining unknown substances or calibrating analytical instruments, you will need certified laboratory standard solutions. Here at Lab Pro, our standards aim to increase lab efficiency and help users achieve more accurate results. Browse through our standards selection ranging from water-soluble ammonium sulfamate to phenacetin powder.
If you need laboratory standards in bulk, don't hesitate to reach us at 888-4-LABPRO (888-452-2776). We also offer next-day service in California and same-day service for will-calls.
Chemicals & Reagents
Reference Standards
Iron Standard, 200 ppm Fe - 4191-4
$44.08Iron Standard, 200 ppm Fe - 4191-4Size:120 mL Glass amberCAS Number:7732-18-5,7664-93-9,7783-83-7
Iron Standard, 200 ppm Fe - 4191-16
$94.15Iron Standard, 200 ppm Fe - 4191-16Size:500 mL Glass amberCAS Number:7732-18-5,7664-93-9,7783-83-7
Ferrous Iron Standard, 1000 ppm Fe (II) - 4198-4
$79.04Ferrous Iron Standard, 1000 ppm Fe (II) - 4198-4Size:120 mL Glass amberCAS Number:7732-18-5,7664-93-9,7783-85-9
Ferrous Iron Standard, 1000 ppm Fe (II) - 4198-16
$175.44Ferrous Iron Standard, 1000 ppm Fe (II) - 4198-16Size:500 mL Glass amberCAS Number:7732-18-5,7664-93-9,7783-85-9
Iron Standard Stock, USP <241> - R4199000-120A
$80.60Iron Standard Stock, USP <241> - R4199000-120ASize:120 mL Poly naturalCAS Number:7732-18-5,7664-93-9,7783-83-7
Iron Standard Stock, USP <241> - R4199000-250A
$128.63Iron Standard Stock, USP <241> - R4199000-250ASize:250 mL Poly naturalCAS Number:7732-18-5,7664-93-9,7783-83-7
Iron Standard Stock, USP <241> - R4199000-500A
$176.02Iron Standard Stock, USP <241> - R4199000-500ASize:500 mL Poly naturalCAS Number:7732-18-5,7664-93-9,7783-83-7
Iron Standard, 1000 ppm Fe in 10% HCl - R4202000-1A
$190.85Iron Standard, 1000 ppm Fe in 10% HCl - R4202000-1ASize:1 L Poly naturalCAS Number:7732-18-5,7647-01-0,10025-77-1
Iron Standard, 10,000 ppm Fe - 4205-4
$94.38Iron Standard, 10,000 ppm Fe - 4205-4Size:120 mL Poly naturalCAS Number:7732-18-5,10025-77-1,7647-01-0
Iron Standard, 10,000 ppm Fe - 4205-16
$215.46Iron Standard, 10,000 ppm Fe - 4205-16Size:500 mL Poly naturalCAS Number:7732-18-5,10025-77-1,7647-01-0
Lactic Acid Standard, 300 ppm C?H?O? in 10% (v/v) Ethanol - R4282030-100A
$54.96Lactic Acid Standard, 300 ppm C?H?O? in 10% (v/v) Ethanol - R4282030-100ASize:100 mL Poly naturalCAS Number:7732-18-5,64-17-5,50-21-5
Lactic Acid Standard, 1000 ppm C?H?O? in 10% (v/v) Ethanol - R4282100-100A
$54.96Lactic Acid Standard, 1000 ppm C?H?O? in 10% (v/v) Ethanol - R4282100-100ASize:100 mL Poly naturalCAS Number:7732-18-5,64-17-5,50-21-5
Lactic Acid Standard, 5000 ppm C?H?O? in 10% (v/v) Ethanol - R4282500-100A
$56.22Lactic Acid Standard, 5000 ppm C?H?O? in 10% (v/v) Ethanol - R4282500-100ASize:100 mL Poly naturalCAS Number:7732-18-5,64-17-5,50-21-5
Lead Standard, 1 ppm Pb in 2% HNO? - R4294001-500N
$97.20Lead Standard, 1 ppm Pb in 2% HNO? - R4294001-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7439-92-1
Lead Standard, 0.5 ppm Pb in 2% HNO? - R4294005-500N
$264.72Lead Standard, 0.5 ppm Pb in 2% HNO? - R4294005-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7439-92-1
Lead Standard, 10 ppm Pb in 2% HNO? - R4294010-500N
$97.71Lead Standard, 10 ppm Pb in 2% HNO? - R4294010-500NSize:500 mL Poly naturalCAS Number:7732-18-5,7697-37-2,7439-92-1
