Ion Chromatography Standards
SPEX CERTIPREP LLC 3P Nitrate from Sodium Nitrate at 1,000 ug/mL in H2O, 100 mL
(HPS by Zeptometrix) Nitrate Anion IC Single-Component Standard from Sodium Nitrate at 1,000 ug/mL in H2O. Can be used as stock solution for nitrate as nitrate, EPA Method 9056. If you need to report Nitrogen using a nitrate source, please see IC-NO3-M, 1,000 g/mL Nitrogen in H2O instead.
SPEX CERTIPREP LLC 3P NITRATE STD 1000PPM 250ML
(HPS by Zeptometrix) 1000 ug/mL Nitrate from NaNO3, 99.999% (metals basis), in H2O; 18 Month Expiry Date. Prepared from high-purity salts in 18-megaohn water, packaged in HDPE bottles.
THERMO SCI 3P AIG PARTS & ACCESSORIES AMMONIUM AS NH4 STD 984728
NC2590194 AMMONIUM AS NH4 STD 984728
SPEX CERTIPREP LLC 3P NITROGEN STANDARD 100PPM 500ML
(HPS by Zeptometrix) 100 ug/mL Nitrogen from NaNO2 in water, 99.99+% (metals basis); Single Component IC Standard, 12 Month Expiry Date. Prepared from high-purity salts in 18-megaohm water, packaged in HDPE bottles.
Sigma Organic Chemistry Biotin-dPEG(R)11-NH2 | 1000MG | 604786-74-5
Biotin-dPEG(R)11-NH2, 1000MG
About This Item:
Linear Formula: C34H66N4O13S
UNSPSC Code: 12352200
Storage: -20C
Sigma Organic Chemistry Biotin-dPEG(R)7-NH2 | 1000MG | 1334172-76-7
Biotin-dPEG(R)7-NH2, 1000MG
About This Item:
Linear Formula: C26H50N4O9S
UNSPSC Code: 12352200
Storage: -20C
Sigma Organic Chemistry SPDP-dPEG(R)24-NHS ester | 1000MG | MFCD13185007
SPDP-dPEG(R)24-NHS ester, 1000MG
About This Item:
Linear Formula: C63H113N3O29S2
MDL Number: MFCD13185007
UNSPSC Code: 12352200
Storage: -20C