Environmental & Water Standards

Potassium dichromate-potassium chromate solution

BWZ8500-2016

1,3,5-Trimethylbenzene,1,2,4-trimethylbenzene,1,2,3-trimethylbenzene in methanol

BWQ0364-2016

56 VOCs in methanol

BWQ9953-2016

PFBA-¹³C₄ in methanol

BWQ9973-2016

CAS 1017281-29-6

PFHxA-¹³C₂ in methanol

BWQ9974-2016

CAS 960315-47-3

PFOA-¹³C₄ in methanol

BWQ0236-2016

CAS 960315-48-4

Acetonitrile in acetone/carbon disulfide

BWQ0244-2016

CAS 75-05-8

Acrylamide-D₃ solution in methanol

BWQ0142-2016

CAS 122775-19-3

3-Bromobiphenyl ether in toluene

BWQ0467-2016

CAS 6876-00-2

Total β monitoring 40K reference material

BWS0124-2016

Total α monitoring 241Am reference material

BWS0121-2016

Calcium carboxylate indicator

BWZ0218-2016

Nitrate, sulfate, and ammonium salts quality control in membrance

BWZ7663-2016

Chromatographic calibration stock solution

BWQ0276-2016

8 Mix benzene-based substances in activated carbon tubes

BWZ7744-2016

Hexane in carbon disulfide

BWQ0208-2016

Nitrogen dioxide quality control in absorption solution

BWZ7921-2016

Mn in seawater

BWB2634-2016

CAS 7439-96-5

Biuret quality control in urea

BWS0175-2016

CAS 108-19-0

Biuret quality control in compound fertilizer

BWS0176-2016

CAS 108-19-0

Isopropanol in water (set label)

BWQ0238-2016

Sodium selenite standard solution

BWZ7768-2016

CAS 10102-18-8

DL-Selenomethionine in water

BWZ7770-2016

CAS 1464-42-2

L-Selenocystine in water

BWZ7771-2016

CAS 29621-88-3