神经酸 Nervonic acid

N,N,N,N-四甲基乙二胺 N,N,N,N-Tetramethylethylenediamine

N,N-亚甲基双丙烯酰胺 N,N-Methylenebisacrylamide

2-AB Labeled N-Glycans 2-AB标记N-多糖

2-AA标记N-多糖 2-AA Labeled N-Glycans

APTS Labeled N-Glycans APTS标记N-多糖

Unlabeled N-Glycans 未标记N-多糖

Permethylated N-Glycan standards 全甲基化N-多糖标准品

正丁基硫代磷酰三胺 NBPT

Rat NGAL ELISA Kit, 大鼠NGAL酶联免疫试剂盒

Lacto-N-neotetraose / LNnT / neo-LNT linked to BSA

Lacto-N-neotetraose / LNnT / neo-LNT

NPC酯-聚乙二醇-NPC酯 Nitrophenyl Carbonate-PEG-Nitrophenyl Carbonate

Silica gel 60N, irregular neutral, particle size 63‐200um，柱色谱用

羧甲基纤维素钠|Carboxymethyl cellulose sodium salt|CMC Na (货号：117221)

二丁酰环磷腺苷钙 N6,2'-O-双丁酰基腺嘌呤-3',5'-环磷酸钙核苷

丙谷二肽 / N(2)-L-丙氨酰-L-谷氨酰胺

丙谷二肽, N(2)-L-丙氨酰-L-谷氨酰胺

丙谷二肽 N(2)-L-丙氨酰-L-谷氨酰胺

NNN, rac N’-Nitrosonornicotine

NNPA, N’-Nitrosopentyl -(3-picolyl)amine

0.5mol/l Sodium Nitrite Solution

Mercury (ll) Nitrate 0.005M 0.01N

Mercury (ll) Nitrate 0.01N 0.005M

Mercury (II) Nitrate 0.02N 0.01M

Mercury (II) Nitrate 0.02N 0.01M

Mercury (I) Nitrate 0.1N 0.1M

Mercury (I) Nitrate 0.1N 0.1M

Silver Nitrate 0.01N

Silver Nitrate 0.0141N 0.0141M

Silver Nitrate 0.02N 0.02M

Silver Nitrate 0.02N 0.02M

Silver Nitrate 0.025N 0.025M

Silver Nitrate 0.0282N 0.0282M

Silver Nitrate 0.04N 0.04M

Silver Nitrate 0.04N 0.04M

Silver Nitrate 0.05N (0.05M)

Silver Nitrate 0.05N (0.05M)

Silver Nitrate 0.085N 0.085M

Silver Nitrate 0.1N 0.1M

Silver Nitrate 0.05N (0.05M)

Silver Nitrate 0.05N (0.05M)

Silver Nitrate 0.05N (0.05M)

Silver Nitrate 0.1709N 0.1709M

Silver Nitrate 0.1709N 0.1709M

Silver Nitrate 1.0N 1.0M

Silver Nitrate 1.0N 1.0M

Silver Nitrate 1.0N 1.0M

Sodium Nitrite 0.5M

Sodium Nitrite 0.5N 0.5M

Sodium Nitrite 0.5N 0.5M

Silver Nitrate 0.0282N (0.0282M)

Silver Nitrate 0.1N (0.1M)

Lead Nitrate 0.01M (0.02N)

Lead Nitrate 0.1M (0.2N)

Lead (II) Nitrate 1.0N (0.5M)

Lead (II) Nitrate 1.0N (0.5M)

Crystal Violet Indicator, 0.1% (w/v) in Glacial Acetic Acid, for Nonaqueous Titrations

Crystal Violet Indicator, 0.2% (w/v) in Glacial Acetic Acid, for Nonaqueous Titrations

TDS Standard 1382 ppm NaCl @25℃

Double junction bridge sol; 10% w/v Potassium Nitrate

Silver 5M NaNO3

Bromide 5M NaNO3

Cadmium 5M NaNO3

Chloride 5M NaNO3

Copper 5M NaNO3

Mercury 5M NaNO3

Iodide 5M NaNO3

Potassium 5M NaCl

Lead 2.5M NaNO3

thiocyanate 5M NaNO3

Nitrate 1000ppm as NO3

Ammonia 100ppm as N

Ammonium 10ppm as NH4

Ammonium 1000ppm as NH4

Ammonia 1000ppm as N

Ammonia 1000ppm as N

Nitrogen Oxide 1000ppm as NO2

0.2w/v% p- Naphtholbenzein Acetic Acid Solution

Total Base Number TBN Standard: 1.0 mg/g KOH

Total Base Number TBN Standard: 10 mg/g KOH

Total Base Number TBN Standard: 15 mg/g KOH

Total Base Number TBN Standard: 3.0 mg/g KOH

Total Base Number TBN Standard: 30 mg/g KOH

Total Base Number TBN Standard: 40 mg/g KOH

Total Base Number TBN Standard: 6.0 mg/g KOH

Total Base Number TBN Standard: 70 mg/g KOH

Polyethylene Cap For NMR Test Tube

Polyethylene Cap For NMR Test Tube

Polyethylene Cap For NMR Test Tube

Polyethylene Cap For NMR Test Tube

Polyethylene Cap For NMR Test Tube

5,5-Dimethyl-4-phenyl-l-pyrroline N -Oxide [4PDMPO]

N-(Dithiocarboxy)sarcosine Disodium Salt Dihydrate (DTCS Na)

N-(Dithiocarboxy)sarcosine Disodium Salt Dihydrate (DTCS Na)

5,5-Dimethyl-l-pyrroline N-Oxide

5,5-Dimethyl-l-pyrroline N-Oxide

Ammonium N,N-Diethyldithiocarbamate

Magnesium Nitrate Solution(10mg Mg/ml 15% Nitric Acid Solution)

Nickel(II) Nitrate Solution (10mg Ni/ml 15% Nitric Acid Solution)

Palladium(II) Nitrate Solution

Sodium N,N-Diethyldithiocarbamate Trihydrate

Sodium N,N-Diethyldithiocarbamate Trihydrate

Palladium nitrate

Palladium nitrate

Ammonium nitrate

Ammonium Nitrate

Calcium nitrate

Calcium nitrate

Lanthanum nitrate

Lanthanum nitrate

Magnesium nitrate

Magnesium nitrate

Nickel nitrate

Nickel nitrate

Palladium nitrate

Palladium nitrate

Palladium nitrate

Palladium nitrate

Standard-Li 250ppm, K 10,000ppm & Na 1,000ppm in 2% HNO3

Standard-Al 100ppm, Ba 100ppm, B 100ppm, K 1,000ppm, Si 500ppm, Ag 50ppm & Na 10

Iron1 00ug/mL N 2-5% HNO3

Molybdenum 2% NH4OH (v/v) 100ug/mL

Molybdenum 2% NH4OH (v/v) 10000ug/mL

Solution, Na2SiO3, H2O, 1000mg/l

Tungsten 2% NH4OH (v/v) 1000ug/mL

Tungsten 2% NH4OH (v/v) 10000ug/mL

Calibration Standard 10 Elements in Hydrochloric (tr. Nitric Acid)

Calibration Standard 10 Elements in Hydrochloric (tr. Nitric Acid)

Calibration Standard 16 Elements in Nitric Acid (tr. Hydrofluoric Acid)

Calibration Standard 4 Elements in Nitric Acid (tr. Hydrofluoric Acid)

Tuning Standard 9 Elements in Hydrochloric (tr. Nitric Acid)

Standard in 2% nitric acid

Stray Light Inorganic Cut-off filter (390nm)Sodium Nitrite

Stray Light Inorganic Cut-off filter (390nm) Sodium Nitrite

0.25 mg/L C NIST Sucrose Calibration Standard

0.5 mg/L C from NIST Sucrose Calibration Standard

0.75 mg/L C from NIST Sucrose Calibration Standard

Calibration Kit;Blank, 0.25 mg/L C NIST Sucrose, 0.5 mg/L C NIST Sucrose,0.75 mg/L C NIST Sucrose

Calibration Standard 0.25 mg/L C NIST Sucrose

Calibration Standard 0.25 mg/L C NIST Sucrose

Calibration Standard 0.25 mg/L C NIST Sucrose

Calibration Standard 0.25 mg/L C NIST Sucrose

Calibration Standard 0.5 mg/L C NIST Sucrose

Calibration Standard 0.5 mg/L C NIST Sucrose

Calibration Standard 0.5 mg/L C NIST Sucrose

Calibration Standard 0.5 mg/L C NIST Sucrose

Calibration Standard 0.75 mg/L C NIST Sucrose

Calibration Standard 0.75 mg/L C NIST Sucrose

Validation Kit for TOC contains a blank and 2 x 100mg/l C NIST KHP. 125mL Bottles

Validation Kit for TOC contains a blank and 2 x 10mg/l C NIST KHP. 125mL Bottles

Validation Kit for Wet Chemistry TOC contains 3 x blanks, 2 x 0.5mg/L C NIST KHP,1mg/L NIST KHP.

Calibration Kit;2 x blank,2 x 0.1 mg/L,2 x 0.25 mg/L, 2 x 0.5 mg/L,0.75 mg/L,1 mg/L C NIST KHP

Calibration Standard 0.75 mg/L C NIST Sucrose

Calibration Standard 0.75 mg/L C NIST Sucrose

Calibration Standard 0.25 mg/L C NIST Sucrose

Calibration Standard 0.5 mg/L C NIST Sucrose

Calibration Standard 1.25 mg/L C NIST Sucrose

Calibration Standard 1.25 mg/L C NIST Sucrose

Calibration Standard 0.1 mg/L C NIST KHP

Calibration Standard 0.25 mg/L C NIST KHP

Calibration Standard 0.25 mg/L C NIST KHP

Calibration Standard 0.25 mg/L C NIST KHP

Calibration Standard 0.25 mg/L C NIST KHP

Calibration Standard 0.5 mg/L C NIST KHP

Calibration Standard 0.5 mg/L C NIST KHP

Calibration Standard 0.5 mg/L C NIST KHP

Calibration Standard 0.5 mg/L C NIST KHP

Calibration Standard 0.5 mg/L C NIST KHP

Calibration Standard 0.75 mg/L C NIST KHP

Calibration Standard 1mg/L NIST KHP

Calibration Standard 1mg/L NIST KHP

Calibration Standard 1mg/L NIST KHP

Calibration Standard 1mg/L NIST KHP

Calibration Standard 1mg/L NIST KHP

Calibration Standard 5mg/L NIST KHP

Calibration Standard 5mg/L NIST KHP

Calibration Standard 10mg/L NIST KHP

Calibration Standard 10mg/L NIST KHP

Calibration Standard 25mg/L NIST KHP

Calibration Standard 25mg/L NIST KHP

Calibration Standard 50 mg/L C NIST KHP

Calibration Standard 50 mg/L C NIST KHP

Calibration Standard 1000 mg/L C NIST Sucrose

System Suitability USP Set;2 x H2O,0.5 mg/L C Sucrose,0.5 mg/L C,C6H4O2,0.25 mg/L C NIST Sucrose

Calibration Standard 0.25 mg/L C NIST Sucrose

Calibration Standard 0.5 mg/L C NIST Sucrose

Calibration Standard 0.75 mg/L C NIST Sucrose

Validation Set;2 x Blanks,0.25,0.5,0.75 mg/L C NIST Sucrose.

Calibration Kit;Blank, 0.25 mg/L C NIST Sucrose,0.5 mg/L C NIST Sucrose,0.75 mg/L C NIST Sucrose.

Validation Kit, 2 x Blanks and 0.5 mg/L C NIST Sucrose. 60ml Bottles

Validation Kit, Blank and 0.5 mg/L C NIST Sucrose. 60ml Bottles

Validation Kit, 2 x Blanks and 0.5 mg/L C NIST Sucrose. 60ml Bottles

TIC Standard 0.5mg/L as Na2CO3

TIC Standard 1.0mg/L as Na2CO3

TIC Standard 1.5mg/L as Na2CO3

TIC Standard 2mg/L as Na2CO3

TIC Standard 5mg/L as Na2CO3

TIC Standard 10mg/L as Na2CO3

TIC Standard 25mg/L as Na2CO3

TIC Standard 50mg/L as Na2CO3

TIC Standard 4mg/L as Na2CO3

TOC Standard 50mg/L C as Nicotinamide

TOC Standard 0.5mg/L C as Nicotinamide

Nitrate Nitrogen Standard Solution [NO3- (as N):1,000ppm]

Nitrite NaNO2 H2O 1000mg/L

Multi Element Standard in H2O / Tr HNO3 Na 200ppm K 10ppm Mg 2ppm

Fine Silicon Nitride Powder for Fine Ceramics (Direct Nitridation) I

Polystyrene Latex Nanoparticle, 120 nm

Fine Silicon Nitride Powder for Fine Ceramics (Direct Nitridation)II

Poly(ethylene glycol) Nonylphenyl Ether

High Nickel Alloy for EPMA

Reference Thin Film for Heat Diffusion Time Across a Thickness(Titanium Nitride Thinfilm/Synthetic Quartz Substrate)

Fine Silicon Nitride Powder for Fine Ceramics (Liquid InterfaClal Reaction)

Fe- Ni alloy Reference Material Set (Ni 5%, 10%, 20%, 40%, 60% )

O-(3,5,5-Trimethyl-l-hexyl) ninhydrin

O-(3,5,5-Trimethyl-l-hexyl) ninhydrin

O-(3,5,5-Trimethyl-l-hexyl) ninhydrin

Curcumin, Natural

Silver N, N-diethyldithiocarbamate

Silver N, N-diethyldithiocarbamate

CSK Standard Solution Silicate (contains 3.05% NaCl)

CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l

CSK Standard Solution Silicate (contains 3.05% NaCl)

CSK Standard Solution Nitrite

CSK Standard Solution Silicate (contains 3.05% NaCl)

CSK Standard Solution nitrate (contains 3.05% NaCl)

CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l

CSK Standard Solution Nitrite

CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l

CSK Standard Solution Nitrite

CSK Standard Solution Silicate (contains 3.05% NaCl)

CSK Standard Solution nitrate (contains 3.05% NaCl)

CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l

CSK Standard Solution Silicate (contains 3.05% NaCl)

CSK Standard Solution nitrate (contains 3.05% NaCl)

CSK Standard Solution Phosphate (contains 3.05% NaCl) P:3.00ug atom/l

CSK Standard Solution Nitrite

CSK Standard Solution Silicate (contains 3.05% NaCl)

CSK Standard Solution nitrate (contains 3.05% NaCl)

CSK Standard Solution nitrate (contains 3.05% NaCl)

N, N-Dimethylaceatamide

N, N-Dimethylaceatamide

N. N-Dimethylformamide

N. N-Dimethylformamide

Silver Nitrate, AgNO, 0.25M

Mercuric Nitrate 0.00705M

rac N-亚硝基降烟碱 (NNN) D4

8.5% v/v Ethanol/Water - nominal density 0.9883g/ml

10% v/v Ethanol/Water - nominal density 0.9865g/ml

11% v/v Ethanol/Water - nominal density 0.9853g/ml

12% v/v Ethanol/Water - nominal density 0.9891g/ml

13.5% v/v Ethanol/Water - nominal density 0.9824g/ml

14% v/v Ethanol/Water - nominal density 0.9868g/ml

16% v/v Ethanol/Water - nominal density 0.9795g/ml

20% v/v Ethanol/Water - nominal density 0.9753g/ml

Fehlings Solution No. 1

Fehlings Solution No. 2

Iodine N/64, 0.03125M

Electrode Filling Solution Double junction bridge sol; 10% w/v Potassium Nitrate

Sodium Hydroxide, NaOH, 2% w/v

酸性橙6 NaCl ( 工业级)

CSK栎准溶液硝酸盐(含3.05%NaCl, N:40.00ug atom/L)

CSK标准溶液硝酸盐(含3.05%NaCl, N:0.00ug atom/L)

CSK标准溶液硝酸盐(含3.05%NaCl, N:10.00ug atom/L)

浊度标准液Non Ratio 0.0 NTU

浊度标准液Non Ratio 0.0 NTU

浊度标准液Non Ratio 0.1 NTU

浊度标准液Non Ratio 0.1 NTU

浊度标准液Non Ratio 0.2 NTU

浊度标准液Non Ratio 0.2 NTU

浊度标准液Non Ratio 0.5 NTU

浊度标准液Non Ratio 0.5 NTU

浊度标准液Non Ratio 1000 NTU

浊度标准液Non Ratio 1000 NTU

浊度标准液Non Ratio 100 NTU

浊度标准液Non Ratio 100 NTU

浊度标准液Non Ratio 10 NTU

浊度标准液Non Ratio 10 NTU

浊度标准液Non Ratio 1 NTU

浊度标准液Non Ratio 1 NTU

浊度标准液Non Ratio 200 NTU

浊度标准液Non Ratio 200 NTU

浊度标准液Non Ratio 20 NTU

浊度标准液Non Ratio 20 NTU

浊度标准液Non Ratio 2 NTU

浊度标准液Non Ratio 2 NTU

浊度标准液Non Ratio 4000 NTU

浊度标准液Non Ratio 4000 NTU

浊度标准液Non Ratio 400 NTU

浊度标准液Non Ratio 400 NTU

浊度标准液Non Ratio 40 NTU

浊度标准液Non Ratio 40 NTU

浊度标准液Non Ratio 500 NTU

浊度标准液Non Ratio 500 NTU

浊度标准液Non Ratio 50 NTU

浊度标准液Non Ratio 50 NTU

浊度标准液Non Ratio 5 NTU

浊度标准液Non Ratio 5 NTU

浊度标准液Non Ratio 60 NTU

浊度标准液Non Ratio 60 NTU

浊度标准液Non Ratio 800 NTU

浊度标准液Non Ratio 800 NTU

浊度标准液Ratio 0.1 NTU

浊度标准液Ratio 0.1 NTU

浊度标准液Ratio 0.2 NTU

浊度标准液Ratio 0.2 NTU

浊度标准液Ratio 0.4 NTU

浊度标准液Ratio 0.4 NTU

浊度标准液Ratio 0.5 NTU

浊度标准液Ratio 0.5 NTU

浊度标准液Ratio 0.0 NTU

浊度标准液Ratio 0.0 NTU

浊度标准液Ratio 1000 NTU

浊度标准液Ratio 1000 NTU

浊度标准液Ratio 100 NTU

浊度标准液Ratio 100 NTU

浊度标准液Ratio 10 NTU

浊度标准液Ratio 10 NTU

浊度标准液Ratio 1 NTU

浊度标准液Ratio 1 NTU

浊度标准液Ratio 20 NTU

浊度标准液Ratio 20 NTU

浊度标准液Ratio 2 NTU

浊度标准液Ratio 2 NTU

浊度标准液Ratio 4000 NTU

浊度标准液Ratio 4000 NTU

浊度标准液Ratio 400 NTU

浊度标准液Ratio 400 NTU

浊度标准液Ratio 40 NTU

浊度标准液Ratio 40 NTU

浊度标准液Ratio 4 NTU

浊度标准液Ratio 4 NTU

浊度标准液Ratio 500 NTU

浊度标准液Ratio 500 NTU

浊度标准液Ratio 50 NTU

浊度标准液Ratio 50 NTU

浊度标准液Ratio 5 NTU

浊度标准液Ratio 5 NTU

浊度标准液Ratio 90 NTU

浊度标准液Ratio 90 NTU

Tergitol(R) NP-9 (NPE)

黄瓜专用杀菌剂 N28

Zwittergent 3-14,zwitterionic detergent, powder, N-Tetradecyl-N,N-dimethyl-3-ammonio-1-propane-sulfonate

湿润剂 NP-40，乙基苯基聚乙二醇

Purine Nucleoside Phosphorylase

N-乙基- N-(3-磺丙基)-3-甲氧基苯胺,钠盐,一水合物, CAS号 82611-88-9

铬黑T, Black T, CAS No. 1787-61-7

Eriochrome Blue Black R,铬蓝黑R | CAS No. 2538-85-4

曙红Y（醇溶） CAS No.:15086-94-9, Eosin Y alcohol solution

镍试剂 丁二酮肟 | CAS No.: 95-45-4

砷试剂 ；二乙基二硫代氨基甲酸银 | CAS No.:1470-61-7

铜试剂 ；二乙基二硫代氨基甲酸钠盐 | CAS No.: 20624-25-3

抗 2019-nCov N蛋白鼠单克隆抗体（包被）

抗 2019-nCov N蛋白鼠单克隆抗体（标记）

重组2019-nCoV N蛋白（全长）

2019-nCoV N蛋白抗体（包被、标记）

Cholesterol Oxidase,from Nocardia erythropolis, lyophilizate

Cholesterol Oxidase,from Nocardia erythropolis, solution

Glucose Oxidase (GOD), Grade I,from Aspergillus niger overproducer, lyophilizate

Glucose Oxidase (GOD), Grade II,from Aspergillus niger overproducer, lyophilizate

Glucose Oxidase (GOD), chemically modified,from Aspergillus niger overproducer, lyophilizate

Glucose Oxidase Amano NA

灭幼脲,10 ng/ul 于乙腈

氧氯丹，100 ng/ul 于环己烷

噻苯哒唑 NH D6

高效异丙甲草胺 NOA 413173

N,N-Dimethyldithiocarbamate nickel salt

USP Solution Acetic Acid 2.00 Normal Conforms to USP 34

USP Solution Acetic Acid 2.00 Normal Conforms to USP 34

USP Solution Barium Nitrate TS Conforms to USP 34

USP Solution Barium Nitrate TS Conforms to USP 34

USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34

USP Solution Bromate-Bromide Solution 0.100 Normal Conforms to USP 34

USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34

USP Solution Hydrochloric Acid 1.00 Normal Conforms to USP 34

USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34

USP Solution Iodine (Iodine-Iodide) 0.100 Normal Conforms to USP 34

USP Solution Neutral Red TS Conforms to USP 34

USP Solution Neutral Red TS Conforms to USP 34

USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34

USP Solution Perchloric Acid 0.100 Normal Conforms to USP 34

USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34

USP Solution Potassium Permanganate 0.100 Normal ) Conforms to USP 34

USP Solution Silver Nitrate 0.100 Normal Conforms to USP 34

USP Solution Silver Nitrate 0.100 Normal Conforms to USP 36

USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34

USP Solution Sodium Hydroxide 1.00 Normal Conforms to USP 34

USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34

USP Solution Sodium Thiosulfate 0.100 Normal (N/10) Conforms to USP 34

USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34

USP Solution Sulfuric Acid 1.00 Normal Conforms to USP 34

European Pharmacopoeia Reagent Lanthanum Nitrate Solution

European Pharmacopoeia Reagent Naphtolbenzein Solution

European Pharmacopoeia Reagent Nile blue A Solution

European Pharmacopoeia Reagent Ninhydrin Solution

European Pharmacopoeia Reagent Ninhydrin Solution R1

European Pharmacopoeia Reagent Ninhydrin Solution R2

European Pharmacopoeia Reagent Nitric acid, dilute

European Pharmacopoeia Reagent Silver Nitrate Solution R1

European Pharmacopoeia Reagent Silver Nitrate Solution R2

European Pharmacopoeia Reagent 0.1M Ammonium and cerium Nitrate

European Pharmacopoeia Reagent 0.01M Ammonium and cerium Nitrate

European Pharmacopoeia Reagent 0.1M Lead Nitrate

European Pharmacopoeia Reagent 0.02M Mercuric Nitrate

European Pharmacopoeia Reagent 0.1M Silver Nitrate

European Pharmacopoeia Reagent 0.1M Sodium nitrite

European Pharmacopoeia Reagent 0.001M Silver Nitrate

European Pharmacopoeia Reagent Concentrate to make Ammonium Standard sol (100ppm NH4)

Concentrate to make Ammonium Standard Solution (1ppm NH4)

European Pharmacopoeia Reagent Concentrated to make Nickel Solution (10ppm Ni)

European Pharmacopoeia Reagent Concentrated to make Nitrate sol. (100ppm NO3)

European Pharmacopoeia Reagent conc. to make Nitrate Standard Solution (2ppm NO3)

European Pharmacopoeia Reagent Concentrated to make Sodium Standard sol (200ppm Na)

非饮用水-阴离子表面活性剂 (亚甲蓝活性物质,MBAs) 能力验证样品 NPW PT -MBAs

非饮用水-碱性和中性半挥发性有机物能力验证 样品 NPW PT -Base/Neutrals

Wakopak Navi C18-5硅胶柱（235-60531）

Wakopak Navi C18-5硅胶柱（231-60533）