| Chemical |
Method No. |
Method Name |
| Naphtha (coal tar) |
1550 |
NAPHTHAS |
| Naphthalene |
1501 |
HYDROCARBONS, AROMATIC |
| Naphthalene |
5506 |
POLYNUCLEAR AROMATIC HYDROCARBONS by HPLC |
| Naphthalene |
5515 |
POLYNUCLEAR AROMATIC HYDROCARBONS |
| Naphthylamines |
5518 |
NAPHTHYLAMINES |
| Neodymium |
7303 |
ELEMENTS by ICP (hot block/HCI/HNO3 digestion) |
| Nickel |
7300 |
ELEMENTS by ICP |
| Nickel |
7301 |
ELEMENTS by ICP (aqua regia ashing) |
| Nickel |
7303 |
ELEMENTS by ICP (hot block/HCI/HNO3 digestion) |
| Nickel (Ni) |
7302 |
ELEMENTS by ICP (Microwave Digestion) Now available in NMAM 5th edition |
| Nickel (Ni) |
7304 |
ELEMENTS by ICP (Microwave Digestion) Now available in NMAM 5th edition |
| Nickel (Ni) |
7306 |
ELEMENTS by Cellulosic Internal Capsule Sampler Now available in NMAM 5th edition |
| Nickel |
9102 |
ELEMENTS ON WIPES |
| Nickel carbonyl |
6007 |
NICKEL CARBONYL |
| Nicotine |
2544 |
NICOTINE |
| Nicotine |
2551 |
NICOTINE |
| Nitric acid |
7903 |
ACIDS, INORGANIC |
| Nitric Acid |
7907 |
VOLATILE ACIDS by Ion Chromatography Now available in NMAM 5th edition |
| Nitric oxide |
6014 |
NITRIC OXIDE & NITROGEN DIOXIDE |
| pNitroaniline |
5033 |
pNITROANILINE |
| Nitrobenzene |
2005 |
NITROAROMATIC COMPOUNDS |
| Nitrobenzene |
2017 |
ANILINE, o-TOLUIDINE, AND NITROBENZENE |
| Nitrobenzol |
2017 |
ANILINE, o-TOLUIDINE, AND NITROBENZENE |
| pNitrochlorobenzene |
2005 |
NITROAROMATIC COMPOUNDS |
| Nitroethane |
2526 |
NITROETHANE |
| Nitrogen dioxide |
6014 |
NITRIC OXIDE & NITROGEN DIOXIDE |
| Nitrogen dioxide |
6700 |
NITROGEN DIOXIDE |
| Nitrogen peroxide |
6700 |
NITROGEN DIOXIDE |
| Nitroglycerin |
2507 |
NITROGLYCERIN & ETHYLENE GLYCOL DINITRATE |
| Nitromethane |
2527 |
NITROMETHANE |
| 2-Nitropropane |
2528 |
2-NITROPROPANE |
| 1-Nitropyrene |
2560 |
1-NITROPYRENE in diesel particulates |
| Nitrosamines |
2522 |
NITROSAMINES |
| o-, m-, p- Nitrotoluene |
2005 |
NITROAROMATIC COMPOUNDS |
| Nitrous oxide |
3800 |
ORGANIC and INORGANIC GASES by Extractive FTIR |
| Nitrous oxide |
6600 |
NITROUS OXIDE |
| NMP |
1302 |
N-Methyl-2-Pyrrolidinone |
| NON-VOLATILE ACIDS |
7908 |
NON-VOLATILE ACIDS (Sulfuric Acid and Phosphoric Acid) Now available in NMAM 5th edition |
| n-Nonane |
1500 |
HYDROCARBONS, 36° - 216°C |
| D-norephedrine |
9106 |
METHAMPHETAMINE and Illicit Drugs, Precursors, and Adulterants on Wipes by Liquid-Liquid Extraction Now available in NMAM 5th edition |
| D-norephedrine |
9109 |
METHAMPHETAMINE and Illicit Drugs, Precursors, and Adulterants on Wipes by Solid Phase Extraction Now available in NMAM 5th edition |
| Norephedrine |
9106 |
METHAMPHETAMINE and Illicit Drugs, Precursors, and Adulterants on Wipes by Liquid-Liquid Extraction Now available in NMAM 5th edition |
| Norephedrine |
9109 |
METHAMPHETAMINE and Illicit Drugs, Precursors, and Adulterants on Wipes by Solid Phase Extraction Now available in NMAM 5th edition |
| Norpseudoephedrine |
9106 |
METHAMPHETAMINE and Illicit Drugs, Precursors, and Adulterants on Wipes by Liquid-Liquid Extraction Now available in NMAM 5th edition |
| Norpseudoephedrine |
9109 |
METHAMPHETAMINE and Illicit Drugs, Precursors, and Adulterants on Wipes by Solid Phase Extraction Now available in NMAM 5th edition |
| Nuisance dusts |
0500 |
PARTICULATES N.O.R. |
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